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#!/bin/bash
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#!/bin/bash
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# $Id: alcasar-iptables.sh 3042 2022-07-22 12:35:45Z rexy $
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# $Id: alcasar-iptables.sh 3043 2022-07-22 17:10:23Z rexy $
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# Script de mise en place des regles du parefeu d'Alcasar (mode normal)
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# Script de mise en place des regles du parefeu d'Alcasar (mode normal)
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# This script writes the netfilter rules for ALCASAR
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# This script writes the netfilter rules for ALCASAR
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# Rexy - 3abtux - CPN
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# Rexy - 3abtux - CPN
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#
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#
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# Reminders
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# Reminders
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# There are four channels for log :
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# There are four channels for log :
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# 1 tracability of the consultation equipment with The 'Netflow' kernel module (iptables target = NETFLOW);
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# 1 tracability of the consultation equipment with The 'Netflow' kernel module (iptables target = NETFLOW);
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# 2 protection of ALCASAR with the Ulog group 1 (default group)
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# 2 protection of ALCASAR with the Ulog group 1 (default group)
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# 3 SSH on ALCASAR with the Ulog group 2;
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# 3 SSH on ALCASAR with the Ulog group 2;
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# 4 extern access attempts on ALCASAR with the Ulog group 3.
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# 4 extern access attempts on ALCASAR with the Ulog group 3.
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# The bootps/dhcp (67) port is always open on tun0/INTIF by coova
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# The bootps/dhcp (67) port is always open on tun0/INTIF by coova
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CONF_FILE="/usr/local/etc/alcasar.conf"
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CONF_FILE="/usr/local/etc/alcasar.conf"
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EXTIF=`grep ^EXTIF= $CONF_FILE|cut -d"=" -f2` # EXTernal InterFace
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EXTIF=`grep ^EXTIF= $CONF_FILE|cut -d"=" -f2` # EXTernal InterFace
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INTIF=`grep ^INTIF= $CONF_FILE|cut -d"=" -f2` # INTernal InterFace
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INTIF=`grep ^INTIF= $CONF_FILE|cut -d"=" -f2` # INTernal InterFace
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TUNIF="tun0" # listen device for chilli daemon
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TUNIF="tun0" # listen device for chilli daemon
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private_ip_mask=`grep ^PRIVATE_IP= $CONF_FILE|cut -d"=" -f2`
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private_ip_mask=`grep ^PRIVATE_IP= $CONF_FILE|cut -d"=" -f2`
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private_ip_mask=${private_ip_mask:=192.168.182.1/24}
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private_ip_mask=${private_ip_mask:=192.168.182.1/24}
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PRIVATE_IP=`echo $private_ip_mask | cut -d"/" -f1` # ALCASAR LAN IP address
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PRIVATE_IP=`echo $private_ip_mask | cut -d"/" -f1` # ALCASAR LAN IP address
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private_network=`/bin/ipcalc -n $private_ip_mask|cut -d"=" -f2` # LAN IP address (ie.: 192.168.182.0)
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private_network=`/bin/ipcalc -n $private_ip_mask|cut -d"=" -f2` # LAN IP address (ie.: 192.168.182.0)
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private_prefix=`/bin/ipcalc -p $private_ip_mask|cut -d"=" -f2` # LAN prefix (ie. 24)
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private_prefix=`/bin/ipcalc -p $private_ip_mask|cut -d"=" -f2` # LAN prefix (ie. 24)
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PRIVATE_NETWORK_MASK=$private_network/$private_prefix # Lan IP address + prefix (192.168.182.0/24)
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PRIVATE_NETWORK_MASK=$private_network/$private_prefix # LAN IP address + prefix (192.168.182.0/24)
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public_ip_mask=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2` # ALCASAR WAN IP address
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public_ip_mask=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2` # ALCASAR WAN IP address
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if [[ "$public_ip_mask" == "dhcp" ]]
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if [[ "$public_ip_mask" == "dhcp" ]]
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then
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then
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PTN="\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\/([012]?[0-9]|3[0-2])\b"
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PTN="\b(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\/([012]?[0-9]|3[0-2])\b"
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public_ip_mask=`ip addr show $EXTIF | egrep -o $PTN`
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public_ip_mask=`ip addr show $EXTIF | egrep -o $PTN`
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fi
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fi
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PUBLIC_IP=`echo $public_ip_mask | cut -d"/" -f1`
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PUBLIC_IP=`echo $public_ip_mask | cut -d"/" -f1`
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dns1=`grep ^DNS1= $CONF_FILE|cut -d"=" -f2`
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dns1=`grep ^DNS1= $CONF_FILE|cut -d"=" -f2`
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dns2=`grep ^DNS2= $CONF_FILE|cut -d"=" -f2`
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dns2=`grep ^DNS2= $CONF_FILE|cut -d"=" -f2`
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dns1=${dns1:=208.67.220.220}
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dns1=${dns1:=208.67.220.220}
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dns2=${dns2:=208.67.222.222}
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dns2=${dns2:=208.67.222.222}
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DNSSERVERS="$dns1,$dns2" # first and second public DNS servers
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DNSSERVERS="$dns1,$dns2" # first and second public DNS servers
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INT_DNS_IP=`grep INT_DNS_IP $CONF_FILE|cut -d"=" -f2` # Adresse du serveur DNS interne
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INT_DNS_IP=`grep INT_DNS_IP $CONF_FILE|cut -d"=" -f2` # Adresse du serveur DNS interne
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INT_DNS_ACTIVE=`grep INT_DNS_ACTIVE $CONF_FILE|cut -d"=" -f2` # Activation de la redirection DNS interne
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INT_DNS_ACTIVE=`grep INT_DNS_ACTIVE $CONF_FILE|cut -d"=" -f2` # Activation de la redirection DNS interne
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BL_IP_CAT="/usr/local/share/iptables-bl-enabled" # categories files of the BlackListed IP
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BL_IP_CAT="/usr/local/share/iptables-bl-enabled" # categories files of the BlackListed IP
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WL_IP_CAT="/usr/local/share/iptables-wl-enabled" # categories files of the WhiteListed IP
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WL_IP_CAT="/usr/local/share/iptables-wl-enabled" # categories files of the WhiteListed IP
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TMP_users_set_save="/tmp/users_set_save" # tmp file for backup users set
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TMP_users_set_save="/tmp/users_set_save" # tmp file for backup users set
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TMP_set_save="/tmp/ipset_save" # tmp file for blacklist and whitelist creation
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TMP_set_save="/tmp/ipset_save" # tmp file for blacklist and whitelist creation
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TMP_ip_gw_save="/tmp/ipset_ip_gw_save" # tmp file for already connected ips
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TMP_ip_gw_save="/tmp/ipset_ip_gw_save" # tmp file for already connected ips
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SSH_LAN=`grep ^SSH_LAN= $CONF_FILE|cut -d"=" -f2` # SSH LAN port
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SSH_LAN=`grep ^SSH_LAN= $CONF_FILE|cut -d"=" -f2` # SSH LAN port
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SSH_LAN=${SSH_LAN:=0}
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SSH_LAN=${SSH_LAN:=0}
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SSH_WAN=`grep ^SSH_WAN= $CONF_FILE|cut -d"=" -f2` #ssh WAN port
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SSH_WAN=`grep ^SSH_WAN= $CONF_FILE|cut -d"=" -f2` # SSH WAN port
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SSH_WAN=${SSH_WAN:=0}
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SSH_WAN=${SSH_WAN:=0}
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SSH_WAN_ADMIN_FROM=`grep ^SSH_ADMIN_FROM= $CONF_FILE|cut -d"=" -f2|cut -d"/" -f2`
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SSH_WAN_ADMIN_FROM=`grep ^SSH_ADMIN_FROM= $CONF_FILE|cut -d"=" -f2|cut -d"/" -f2`
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SSH_WAN_ADMIN_FROM=${SSH_WAN_ADMIN_FROM:="0.0.0.0"}
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SSH_WAN_ADMIN_FROM=${SSH_WAN_ADMIN_FROM:="0.0.0.0"}
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SSH_WAN_ADMIN_FROM=$([ "$SSH_WAN_ADMIN_FROM" == "0.0.0.0" ] && echo "0.0.0.0/0" || echo "$SSH_WAN_ADMIN_FROM" )
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SSH_WAN_ADMIN_FROM=$([ "$SSH_WAN_ADMIN_FROM" == "0.0.0.0" ] && echo "0.0.0.0/0" || echo "$SSH_WAN_ADMIN_FROM" )
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SSH_LAN_ADMIN_FROM=`grep ^SSH_ADMIN_FROM= $CONF_FILE|cut -d"=" -f2|cut -d"/" -f1`
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SSH_LAN_ADMIN_FROM=`grep ^SSH_ADMIN_FROM= $CONF_FILE|cut -d"=" -f2|cut -d"/" -f1`
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SSH_LAN_ADMIN_FROM=${SSH_LAN_ADMIN_FROM:="0.0.0.0"}
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SSH_LAN_ADMIN_FROM=${SSH_LAN_ADMIN_FROM:="0.0.0.0"}
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SSH_LAN_ADMIN_FROM=$([ "$SSH_LAN_ADMIN_FROM" == "0.0.0.0" ] && echo "$PRIVATE_NETWORK_MASK" || echo "$SSH_LAN_ADMIN_FROM" )
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SSH_LAN_ADMIN_FROM=$([ "$SSH_LAN_ADMIN_FROM" == "0.0.0.0" ] && echo "$PRIVATE_NETWORK_MASK" || echo "$SSH_LAN_ADMIN_FROM" )
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IPTABLES="/sbin/iptables"
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IPTABLES="/sbin/iptables"
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IP_REHABILITEES="/etc/e2guardian/lists/exceptioniplist" # Rehabilitated IP
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REHABILITED_IP="/etc/e2guardian/lists/exceptioniplist"
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SITE_DIRECT="/usr/local/etc/alcasar-site-direct" # WEB Sites allowed for all (no av and no filtering for av_bl users)
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ALLOWED_SITES="/usr/local/etc/alcasar-site-direct" # WEB Sites allowed for all (no av and no filtering for av_bl users)
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MULTIWAN=`grep ^MULTIWAN $CONF_FILE|cut -d"=" -f2`
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MULTIWAN=`grep ^MULTIWAN $CONF_FILE|cut -d"=" -f2`
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PROXY=`grep ^PROXY= $CONF_FILE|cut -d"=" -f2`
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PROXY=`grep ^PROXY= $CONF_FILE|cut -d"=" -f2`
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PROXY_IP=`grep ^PROXY_IP= $CONF_FILE|cut -d"=" -f2`
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PROXY_IP=`grep ^PROXY_IP= $CONF_FILE|cut -d"=" -f2`
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nb_gw=`grep ^WAN $CONF_FILE|wc -l`
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nb_gw=`grep ^WAN $CONF_FILE|wc -l`
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HOST=`grep ^HOSTNAME= $CONF_FILE|cut -d"=" -f2`
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HOST=`grep ^HOSTNAME= $CONF_FILE|cut -d"=" -f2`
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DOM=`grep ^DOMAIN= $CONF_FILE|cut -d"=" -f2`
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DOM=`grep ^DOMAIN= $CONF_FILE|cut -d"=" -f2`
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DOMAIN="$HOST.$DOM"
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DOMAIN="$HOST.$DOM"
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# Allow requests to internal DNS if activated
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# Allow requests to internal DNS if activated
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if [ "$INT_DNS_ACTIVE" = "on" ]
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if [ "$INT_DNS_ACTIVE" = "on" ]
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then
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then
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DNSSERVERS="$DNSSERVERS,$INT_DNS_IP"
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DNSSERVERS="$DNSSERVERS,$INT_DNS_IP"
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fi
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fi
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#ipset name list for load_balancing
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#ipset name list for load_balancing
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gw_list="gw0"
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gw_list="gw0"
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if [ "$MULTIWAN" == "on" ] || [ "$MULTIWAN" == "On" ]; then
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if [ "$MULTIWAN" == "on" ] || [ "$MULTIWAN" == "On" ]; then
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for ((i=1 ; i<=$nb_gw ; i++)); do
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for ((i=1 ; i<=$nb_gw ; i++)); do
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gw_list="${gw_list} gw$i"
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gw_list="${gw_list} gw$i"
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done
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done
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fi
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fi
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# Sauvegarde des SET des utilisateurs connectés si ils existent
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# Sauvegarde des SET des utilisateurs connectés si ils existent
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# Saving SET of connected users if it exists
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# Saving SET of connected users if it exists
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ipset list not_filtered 1>/dev/null 2>&1
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ipset list not_filtered 1>/dev/null 2>&1
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if [ $? -eq 0 ];
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if [ $? -eq 0 ];
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then
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then
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ipset save not_filtered > $TMP_users_set_save
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ipset save not_filtered > $TMP_users_set_save
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ipset save av >> $TMP_users_set_save
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ipset save av >> $TMP_users_set_save
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ipset save av_bl >> $TMP_users_set_save
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ipset save av_bl >> $TMP_users_set_save
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ipset save av_wl >> $TMP_users_set_save
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ipset save av_wl >> $TMP_users_set_save
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ipset save proto_0 >> $TMP_users_set_save
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ipset save proto_0 >> $TMP_users_set_save
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ipset save proto_1 >> $TMP_users_set_save
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ipset save proto_1 >> $TMP_users_set_save
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ipset save proto_2 >> $TMP_users_set_save
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ipset save proto_2 >> $TMP_users_set_save
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ipset save proto_3 >> $TMP_users_set_save
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ipset save proto_3 >> $TMP_users_set_save
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fi
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fi
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# Sauvegarde de la liste de toutes les IP déjà connectées pour les réintégrer dans le load balancing
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# Sauvegarde de la liste de toutes les IP déjà connectées pour les réintégrer dans le load balancing
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# Saving all of the already connected IP in order to put them back in the load balancing after
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# Saving all of the already connected IP in order to put them back in the load balancing after
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if [ ! -f $TMP_ip_gw_save ];then
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if [ ! -f $TMP_ip_gw_save ];then
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# Save only if alcasar-network.sh --save has not been executed before
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# Save only if alcasar-network.sh --save has not been executed before
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for i in $gw_list;do
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for i in $gw_list;do
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ipset list $i 1>/dev/null 2>&1
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ipset list $i 1>/dev/null 2>&1
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if [ $? -eq 0 ]
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if [ $? -eq 0 ]
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then
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then
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# the cut -d":" -f5 deletes all the lines with a :, i.e all the lines execpt the members
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# the cut -d":" -f5 deletes all the lines with a :, i.e all the lines execpt the members
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ipset list $i | cut -d":" -f5 | sed '/^[[:space:]]*$/d' >> $TMP_ip_gw_save
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ipset list $i | cut -d":" -f5 | sed '/^[[:space:]]*$/d' >> $TMP_ip_gw_save
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fi
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fi
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done
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done
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fi
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fi
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# Chargement de la sonde NetFlow (module noyau ipt_NETFLOW)
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# Chargement de la sonde NetFlow (module noyau ipt_NETFLOW)
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# loading of NetFlow probe (ipt_NETFLOW kernel module)
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# loading of NetFlow probe (ipt_NETFLOW kernel module)
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modprobe ipt_NETFLOW destination=127.0.0.1:2055
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modprobe ipt_NETFLOW destination=127.0.0.1:2055
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# Effacement des règles existantes
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# Effacement des règles existantes
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# Flush all existing rules
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# Flush all existing rules
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$IPTABLES -F
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$IPTABLES -F
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$IPTABLES -t nat -F
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$IPTABLES -t nat -F
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$IPTABLES -t mangle -F
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$IPTABLES -t mangle -F
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$IPTABLES -F INPUT
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$IPTABLES -F INPUT
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$IPTABLES -F FORWARD
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$IPTABLES -F FORWARD
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$IPTABLES -F OUTPUT
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$IPTABLES -F OUTPUT
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120 |
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# Suppression des chaines utilisateurs sur les tables filter et nat
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# Suppression des chaines utilisateurs sur les tables filter et nat
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# Flush non default rules on filter and nat tables
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# Flush non default rules on filter and nat tables
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$IPTABLES -X
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$IPTABLES -X
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$IPTABLES -t nat -X
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$IPTABLES -t nat -X
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# Stratégies par défaut
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# Stratégies par défaut
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# Default policies
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# Default policies
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$IPTABLES -P INPUT DROP
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$IPTABLES -P INPUT DROP
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$IPTABLES -P FORWARD DROP
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$IPTABLES -P FORWARD DROP
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$IPTABLES -P OUTPUT DROP
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$IPTABLES -P OUTPUT DROP
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$IPTABLES -t nat -P PREROUTING ACCEPT
|
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$IPTABLES -t nat -P PREROUTING ACCEPT
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$IPTABLES -t nat -P POSTROUTING ACCEPT
|
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$IPTABLES -t nat -P POSTROUTING ACCEPT
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$IPTABLES -t nat -P OUTPUT ACCEPT
|
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$IPTABLES -t nat -P OUTPUT ACCEPT
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|
133 |
|
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|
- |
|
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#############################
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#############################
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# IPSET #
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# IPSET #
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138 |
#############################
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136 |
#############################
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139 |
|
- |
|
140 |
# destruction de tous les SET
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137 |
# destruction de tous les SET
|
141 |
# destroy all SET
|
138 |
# destroy all SET
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142 |
ipset flush
|
139 |
ipset flush
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ipset destroy
|
140 |
ipset destroy
|
144 |
|
141 |
|
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###### BL set ###########
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###### BL set ###########
|
146 |
# Calcul de la taille / Compute the length
|
143 |
# Calcul de la taille / Compute the length
|
147 |
bl_set_length=$(wc -l $BL_IP_CAT/* | awk '{print $1}' | tail -n 1)
|
144 |
bl_set_length=$(wc -l $BL_IP_CAT/* | awk '{print $1}' | tail -n 1)
|
148 |
# Chargement / loading
|
145 |
# Chargement / loading
|
149 |
echo "create bl_ip_blocked hash:net family inet hashsize 1024 maxelem $bl_set_length" > $TMP_set_save
|
146 |
echo "create bl_ip_blocked hash:net family inet hashsize 1024 maxelem $bl_set_length" > $TMP_set_save
|
150 |
for category in `ls -1 $BL_IP_CAT | cut -d '@' -f1`
|
147 |
for category in `ls -1 $BL_IP_CAT | cut -d '@' -f1`
|
151 |
do
|
148 |
do
|
152 |
cat $BL_IP_CAT/$category >> $TMP_set_save
|
149 |
cat $BL_IP_CAT/$category >> $TMP_set_save
|
153 |
done
|
150 |
done
|
154 |
ipset -! restore < $TMP_set_save
|
151 |
ipset -! restore < $TMP_set_save
|
155 |
rm -f $TMP_set_save
|
152 |
rm -f $TMP_set_save
|
156 |
# Suppression des ip réhabilitées / Removing of rehabilitated ip
|
153 |
# Suppression des ip réhabilitées / Removing of rehabilitated ip
|
157 |
for ip in $(cat $IP_REHABILITEES)
|
154 |
for ip in $(cat $REHABILITED_IP)
|
158 |
do
|
155 |
do
|
159 |
ipset -q del bl_ip_blocked $ip
|
156 |
ipset -q del bl_ip_blocked $ip
|
160 |
done
|
157 |
done
|
161 |
|
158 |
|
162 |
# ipset for exception web sites (usefull for filtered users = av_bl)
|
159 |
# ipset for exception web sites (usefull for filtered users = av_bl)
|
163 |
ipset create site_direct hash:net hashsize 1024
|
160 |
ipset create site_direct hash:net hashsize 1024
|
164 |
for site in $(cat $SITE_DIRECT)
|
161 |
for site in $(cat $ALLOWED_SITES)
|
165 |
do
|
162 |
do
|
166 |
ipset add site_direct $site
|
163 |
ipset add site_direct $site
|
167 |
done
|
164 |
done
|
168 |
|
165 |
|
169 |
###### WL set ###########
|
166 |
###### WL set ###########
|
170 |
# taille fixe, car peuplé par dnsmasq / fixe length due to dnsmasq dynamic loading
|
167 |
# taille fixe, car peuplé par dnsmasq / fixe length due to dnsmasq dynamic loading
|
171 |
wl_set_length=65536
|
168 |
wl_set_length=65536
|
172 |
# Chargement Loading
|
169 |
# Chargement Loading
|
173 |
echo "create wl_ip_allowed hash:net family inet hashsize 1024 maxelem $wl_set_length" > $TMP_set_save
|
170 |
echo "create wl_ip_allowed hash:net family inet hashsize 1024 maxelem $wl_set_length" > $TMP_set_save
|
174 |
#get ip-wl files from ACC
|
171 |
#get ip-wl files from ACC
|
175 |
for category in `ls -1 $WL_IP_CAT |cut -d '@' -f1`
|
172 |
for category in `ls -1 $WL_IP_CAT |cut -d '@' -f1`
|
176 |
do
|
173 |
do
|
177 |
cat $WL_IP_CAT/$category >> $TMP_set_save
|
174 |
cat $WL_IP_CAT/$category >> $TMP_set_save
|
178 |
done
|
175 |
done
|
179 |
ipset -! restore < $TMP_set_save
|
176 |
ipset -! restore < $TMP_set_save
|
180 |
rm -f $TMP_set_save
|
177 |
rm -f $TMP_set_save
|
181 |
|
178 |
|
182 |
# Restoration des SET des utilisateurs connectés si ils existent sinon création des SET
|
179 |
# Restoration des SET des utilisateurs connectés si ils existent sinon création des SET
|
183 |
# Restoring the connected users SETs if available, otherwise creating SETs
|
180 |
# Restoring the connected users SETs if available, otherwise creating SETs
|
184 |
if [ -e $TMP_users_set_save ];
|
181 |
if [ -e $TMP_users_set_save ];
|
185 |
then
|
182 |
then
|
186 |
ipset -! restore < $TMP_users_set_save
|
183 |
ipset -! restore < $TMP_users_set_save
|
187 |
rm -f $TMP_users_set_save
|
184 |
rm -f $TMP_users_set_save
|
188 |
else
|
185 |
else
|
189 |
ipset create not_filtered hash:ip hashsize 1024
|
186 |
ipset create not_filtered hash:ip hashsize 1024
|
190 |
ipset create av hash:ip hashsize 1024
|
187 |
ipset create av hash:ip hashsize 1024
|
191 |
ipset create av_bl hash:ip hashsize 1024
|
188 |
ipset create av_bl hash:ip hashsize 1024
|
192 |
ipset create av_wl hash:ip hashsize 1024
|
189 |
ipset create av_wl hash:ip hashsize 1024
|
193 |
# pour les filtrages de protocole par utilisateur / For network protocols filtering by user
|
190 |
# pour les filtrages de protocole par utilisateur / For network protocols filtering by user
|
194 |
ipset create proto_0 hash:ip hashsize 1024
|
191 |
ipset create proto_0 hash:ip hashsize 1024
|
195 |
ipset create proto_1 hash:ip hashsize 1024
|
192 |
ipset create proto_1 hash:ip hashsize 1024
|
196 |
ipset create proto_2 hash:ip hashsize 1024
|
193 |
ipset create proto_2 hash:ip hashsize 1024
|
197 |
ipset create proto_3 hash:ip hashsize 1024
|
194 |
ipset create proto_3 hash:ip hashsize 1024
|
198 |
fi
|
195 |
fi
|
199 |
|
196 |
|
200 |
#ipsets for load balancing
|
197 |
#ipsets for load balancing
|
201 |
for i in $gw_list; do
|
198 |
for i in $gw_list; do
|
202 |
ipset create $i hash:ip
|
199 |
ipset create $i hash:ip
|
203 |
done
|
200 |
done
|
204 |
cat $TMP_ip_gw_save | while read ip; do
|
201 |
cat $TMP_ip_gw_save | while read ip; do
|
205 |
gw_min="gw0"
|
202 |
gw_min="gw0"
|
206 |
weight=`grep ^PUBLIC_WEIGHT= $CONF_FILE | cut -d"=" -f2`
|
203 |
weight=`grep ^PUBLIC_WEIGHT= $CONF_FILE | cut -d"=" -f2`
|
207 |
already=`ipset list $gw_min | grep Number\ of\ entries: | cut -d":" -f2`
|
204 |
already=`ipset list $gw_min | grep Number\ of\ entries: | cut -d":" -f2`
|
208 |
#The *1000 is here to avoid working on floats in bash
|
205 |
#The *1000 is here to avoid working on floats in bash
|
209 |
gw_min_value=$((1000 * $already / $weight))
|
206 |
gw_min_value=$((1000 * $already / $weight))
|
210 |
i=1
|
207 |
i=1
|
211 |
for gw in $gw_list;do
|
208 |
for gw in $gw_list;do
|
212 |
if [ "$gw" != "gw0" ]; then
|
209 |
if [ "$gw" != "gw0" ]; then
|
213 |
weight=`grep ^WAN$i= $CONF_FILE | awk -F'"' '{ print $2 }' | awk -F ',' '{ print $2 }'`
|
210 |
weight=`grep ^WAN$i= $CONF_FILE | awk -F'"' '{ print $2 }' | awk -F ',' '{ print $2 }'`
|
214 |
already=`ipset list $gw | grep Number\ of\ entries: | cut -d":" -f2`
|
211 |
already=`ipset list $gw | grep Number\ of\ entries: | cut -d":" -f2`
|
215 |
value=$((1000 * $already / $weight))
|
212 |
value=$((1000 * $already / $weight))
|
216 |
if [ $value -lt $gw_min_value ]
|
213 |
if [ $value -lt $gw_min_value ]
|
217 |
then
|
214 |
then
|
218 |
gw_min_value=$value
|
215 |
gw_min_value=$value
|
219 |
gw_min=$gw
|
216 |
gw_min=$gw
|
220 |
fi
|
217 |
fi
|
221 |
i=$(($i+1))
|
218 |
i=$(($i+1))
|
222 |
fi
|
219 |
fi
|
223 |
done
|
220 |
done
|
224 |
ipset add $gw_min $ip
|
221 |
ipset add $gw_min $ip
|
225 |
done
|
222 |
done
|
226 |
rm -f $TMP_ip_gw_save
|
223 |
rm -f $TMP_ip_gw_save
|
227 |
|
224 |
|
228 |
|
- |
|
229 |
|
- |
|
230 |
#############################
|
225 |
#############################
|
231 |
# PREROUTING #
|
226 |
# PREROUTING #
|
232 |
#############################
|
227 |
#############################
|
233 |
|
- |
|
234 |
|
- |
|
235 |
# Marquage (et journalisation) des paquets qui tentent d'accéder directement aux ports d'écoute du proxy HTTP/HTTPS (E2Guardian) pour pouvoir les rejeter en INPUT
|
228 |
# Marquage (et journalisation) des paquets qui tentent d'accéder directement aux ports d'écoute du proxy HTTP/HTTPS (E2Guardian) pour pouvoir les rejeter en INPUT
|
236 |
# Mark (and log) the direct attempts to E2guardian listen ports in order to REJECT them in INPUT rules
|
229 |
# Mark (and log) the direct attempts to E2guardian listen ports in order to REJECT them in INPUT rules
|
237 |
# 8080 = ipset av_bl
|
230 |
# 8080 = ipset av_bl
|
238 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -p tcp -d $PRIVATE_IP -m tcp --dport 8080 -j NFLOG --nflog-group 1 --nflog-prefix "RULE direct-proxy -- DENY "
|
231 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -p tcp -d $PRIVATE_IP -m tcp --dport 8080 -j NFLOG --nflog-group 1 --nflog-prefix "RULE direct-proxy -- DENY "
|
239 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp -m tcp --dport 8080 -j MARK --set-mark 1
|
232 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp -m tcp --dport 8080 -j MARK --set-mark 1
|
240 |
# 8090 = ipset av_wl + av
|
233 |
# 8090 = ipset av_wl + av
|
241 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -p tcp -d $PRIVATE_IP -m tcp --dport 8090 -j NFLOG --nflog-group 1 --nflog-prefix "RULE direct-proxy -- DENY "
|
234 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -p tcp -d $PRIVATE_IP -m tcp --dport 8090 -j NFLOG --nflog-group 1 --nflog-prefix "RULE direct-proxy -- DENY "
|
242 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp -m tcp --dport 8090 -j MARK --set-mark 2
|
235 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp -m tcp --dport 8090 -j MARK --set-mark 2
|
243 |
# 8443 = tranparent HTTPS for ipsets av_bl + av_wl + av (future version)
|
236 |
# 8443 = tranparent HTTPS for ipsets av_bl + av_wl + av (future version)
|
244 |
#$IPTABLES -A PREROUTING -t nat -i $TUNIF -p tcp -d $PRIVATE_IP -m tcp --dport 8443 -j NFLOG --nflog-group 1 --nflog-prefix "RULE direct-proxy -- DENY "
|
237 |
#$IPTABLES -A PREROUTING -t nat -i $TUNIF -p tcp -d $PRIVATE_IP -m tcp --dport 8443 -j NFLOG --nflog-group 1 --nflog-prefix "RULE direct-proxy -- DENY "
|
245 |
#$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp -m tcp --dport 8443 -j MARK --set-mark 6
|
238 |
#$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp -m tcp --dport 8443 -j MARK --set-mark 6
|
246 |
|
239 |
|
247 |
# Marquage des paquets qui tentent d'accéder directement aux ports d'écoute DNS (UNBOUND) pour pouvoir les rejeter en INPUT
|
240 |
# Marquage des paquets qui tentent d'accéder directement aux ports d'écoute DNS (UNBOUND) pour pouvoir les rejeter en INPUT
|
248 |
# Mark the direct attempts to DNS ports (UNBOUND) in order to REJECT them in INPUT rules
|
241 |
# Mark the direct attempts to DNS ports (UNBOUND) in order to REJECT them in INPUT rules
|
249 |
# 54 = ipset av_bl
|
242 |
# 54 = ipset av_bl
|
250 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp --dport 54 -j MARK --set-mark 3
|
243 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp --dport 54 -j MARK --set-mark 3
|
251 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p udp --dport 54 -j MARK --set-mark 3
|
244 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p udp --dport 54 -j MARK --set-mark 3
|
252 |
# 55 = ipset av_wl
|
245 |
# 55 = ipset av_wl
|
253 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp --dport 55 -j MARK --set-mark 4
|
246 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp --dport 55 -j MARK --set-mark 4
|
254 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p udp --dport 55 -j MARK --set-mark 4
|
247 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p udp --dport 55 -j MARK --set-mark 4
|
255 |
# 56 = blackall
|
248 |
# 56 = blackall
|
256 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp --dport 56 -j MARK --set-mark 5
|
249 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp --dport 56 -j MARK --set-mark 5
|
257 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p udp --dport 56 -j MARK --set-mark 5
|
250 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p udp --dport 56 -j MARK --set-mark 5
|
258 |
|
251 |
|
259 |
# redirection DNS des usagers
|
252 |
# redirection DNS des usagers
|
260 |
# users DNS redirection
|
253 |
# users DNS redirection
|
261 |
# 54 = ipset av_bl
|
254 |
# 54 = ipset av_bl
|
262 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -p udp --dport domain -j REDIRECT --to-port 54
|
255 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -p udp --dport domain -j REDIRECT --to-port 54
|
263 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -p tcp --dport domain -j REDIRECT --to-port 54
|
256 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -p tcp --dport domain -j REDIRECT --to-port 54
|
264 |
# 55 = ipset av_wl
|
257 |
# 55 = ipset av_wl
|
265 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -p udp --dport domain -j REDIRECT --to-port 55
|
258 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -p udp --dport domain -j REDIRECT --to-port 55
|
266 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -p tcp --dport domain -j REDIRECT --to-port 55
|
259 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -p tcp --dport domain -j REDIRECT --to-port 55
|
267 |
# 53 = all other users
|
260 |
# 53 = all other users
|
268 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF ! -d $PRIVATE_IP -p udp --dport domain -j REDIRECT --to-port 53
|
261 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF ! -d $PRIVATE_IP -p udp --dport domain -j REDIRECT --to-port 53
|
269 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF ! -d $PRIVATE_IP -p tcp --dport domain -j REDIRECT --to-port 53
|
262 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF ! -d $PRIVATE_IP -p tcp --dport domain -j REDIRECT --to-port 53
|
270 |
|
263 |
|
271 |
# Redirection HTTP des usagers 'av_bl' cherchant à joindre les IP de la blacklist vers ALCASAR (page 'accès interdit')
|
264 |
# Redirection HTTP des usagers 'av_bl' cherchant à joindre les IP de la blacklist vers ALCASAR (page 'accès interdit')
|
272 |
# Redirect HTTP of 'av_bl' users who want blacklist IP to ALCASAR ('access denied' page)
|
265 |
# Redirect HTTP of 'av_bl' users who want blacklist IP to ALCASAR ('access denied' page)
|
273 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -m set --match-set bl_ip_blocked dst -p tcp --dport http -j REDIRECT --to-port 80
|
266 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -m set --match-set bl_ip_blocked dst -p tcp --dport http -j REDIRECT --to-port 80
|
274 |
|
267 |
|
275 |
# Redirection HTTP des usagers 'av_wl' cherchant à joindre les IP qui ne sont pas dans la WL vers ALCASAR (page 'accès interdit')
|
268 |
# Redirection HTTP des usagers 'av_wl' cherchant à joindre les IP qui ne sont pas dans la WL vers ALCASAR (page 'accès interdit')
|
276 |
# Redirect HTTP of 'av_wl' users who want IP not in the WL to ALCASAR ('access denied' page)
|
269 |
# Redirect HTTP of 'av_wl' users who want IP not in the WL to ALCASAR ('access denied' page)
|
277 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -m set ! --match-set wl_ip_allowed dst -p tcp --dport http -j REDIRECT --to-port 80
|
270 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -m set ! --match-set wl_ip_allowed dst -p tcp --dport http -j REDIRECT --to-port 80
|
278 |
|
271 |
|
279 |
# Journalisation des usagers "av_bl + av_wl + av" (paquets SYN uniquement). Les autres protocoles sont journalisés en FORWARD par netflow.
|
272 |
# Journalisation des usagers "av_bl + av_wl + av" (paquets SYN uniquement). Les autres protocoles sont journalisés en FORWARD par netflow.
|
280 |
# accounting of "av_bl + av_wl + av" users (only syn packets). Other protocols are logged in FORWARD by netflow
|
273 |
# accounting of "av_bl + av_wl + av" users (only syn packets). Other protocols are logged in FORWARD by netflow
|
281 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src ! -d $PRIVATE_IP -p tcp --dport http -m conntrack --ctstate NEW -j NFLOG --nflog-group 1 --nflog-prefix "RULE F_http -- ACCEPT "
|
274 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src ! -d $PRIVATE_IP -p tcp --dport http -m conntrack --ctstate NEW -j NFLOG --nflog-group 1 --nflog-prefix "RULE F_http -- ACCEPT "
|
282 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src ! -d $PRIVATE_IP -p tcp --dport http -m conntrack --ctstate NEW -j NFLOG --nflog-group 1 --nflog-prefix "RULE F_http -- ACCEPT "
|
275 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src ! -d $PRIVATE_IP -p tcp --dport http -m conntrack --ctstate NEW -j NFLOG --nflog-group 1 --nflog-prefix "RULE F_http -- ACCEPT "
|
283 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av src ! -d $PRIVATE_IP -p tcp --dport http -m conntrack --ctstate NEW -j NFLOG --nflog-group 1 --nflog-prefix "RULE F_http -- ACCEPT "
|
276 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av src ! -d $PRIVATE_IP -p tcp --dport http -m conntrack --ctstate NEW -j NFLOG --nflog-group 1 --nflog-prefix "RULE F_http -- ACCEPT "
|
284 |
|
277 |
|
285 |
# Redirection des requêtes HTTP des usagers "av_bl + av_wl + av" vers E2guardian
|
278 |
# Redirection des requêtes HTTP des usagers "av_bl + av_wl + av" vers E2guardian
|
286 |
# Redirect outbound "av_bl + av_wl +av" users HTTP requests to E2guardian
|
279 |
# Redirect outbound "av_bl + av_wl +av" users HTTP requests to E2guardian
|
287 |
# 8080 = ipset av_bl
|
280 |
# 8080 = ipset av_bl
|
288 |
#$IPTABLES -A PREROUTING -t mangle -i $TUNIF -m set --match-set av_bl src -m set ! --match-set site_direct dst ! -d $PRIVATE_IP -p tcp --dport http -j MARK --set-mark 200
|
281 |
#$IPTABLES -A PREROUTING -t mangle -i $TUNIF -m set --match-set av_bl src -m set ! --match-set site_direct dst ! -d $PRIVATE_IP -p tcp --dport http -j MARK --set-mark 200
|
289 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -m set ! --match-set site_direct dst ! -d $PRIVATE_IP -p tcp --dport http -j REDIRECT --to-port 8080
|
282 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -m set ! --match-set site_direct dst ! -d $PRIVATE_IP -p tcp --dport http -j REDIRECT --to-port 8080
|
290 |
# 8090 = ipset av_wl & av
|
283 |
# 8090 = ipset av_wl & av
|
291 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src ! -d $PRIVATE_IP -p tcp --dport http -j REDIRECT --to-port 8090
|
284 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src ! -d $PRIVATE_IP -p tcp --dport http -j REDIRECT --to-port 8090
|
292 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av src ! -d $PRIVATE_IP -p tcp --dport http -j REDIRECT --to-port 8090
|
285 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av src ! -d $PRIVATE_IP -p tcp --dport http -j REDIRECT --to-port 8090
|
293 |
|
286 |
|
294 |
# Redirection des requêtes HTTPS sortantes des usagers av_bl + av_wl + av vers E2Guardian (in a future version - don't forget to set E2guardian as a tranparent HTTPS proxy)
|
287 |
# Redirection des requêtes HTTPS sortantes des usagers av_bl + av_wl + av vers E2Guardian (in a future version - don't forget to set E2guardian as a tranparent HTTPS proxy)
|
295 |
# Redirect outbound HTTPS requests of av_bl + av_wl + av users to E2Guardian
|
288 |
# Redirect outbound HTTPS requests of av_bl + av_wl + av users to E2Guardian
|
296 |
#$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -m set ! --match-set site_direct dst ! -d $PRIVATE_IP -p tcp --dport https -j REDIRECT --to-port 8443
|
289 |
#$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -m set ! --match-set site_direct dst ! -d $PRIVATE_IP -p tcp --dport https -j REDIRECT --to-port 8443
|
297 |
#$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -m set ! --match-set site_direct dst ! -d $PRIVATE_IP -p tcp --dport https -j REDIRECT --to-port 8443
|
290 |
#$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -m set ! --match-set site_direct dst ! -d $PRIVATE_IP -p tcp --dport https -j REDIRECT --to-port 8443
|
298 |
#$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av src -m set ! --match-set site_direct dst ! -d $PRIVATE_IP -p tcp --dport https -j REDIRECT --to-port 8443
|
291 |
#$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av src -m set ! --match-set site_direct dst ! -d $PRIVATE_IP -p tcp --dport https -j REDIRECT --to-port 8443
|
299 |
|
292 |
|
300 |
# Redirection des requêtes NTP vers le serveur NTP local
|
293 |
# Redirection des requêtes NTP vers le serveur NTP local
|
301 |
# Redirect NTP request in local NTP server
|
294 |
# Redirect NTP request in local NTP server
|
302 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -s $PRIVATE_NETWORK_MASK ! -d $PRIVATE_IP -p udp --dport ntp -j REDIRECT --to-port 123
|
295 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -s $PRIVATE_NETWORK_MASK ! -d $PRIVATE_IP -p udp --dport ntp -j REDIRECT --to-port 123
|
303 |
|
296 |
|
304 |
#Récupération de la marque associée à une gw pour chaque connection
|
297 |
#Récupération de la marque associée à une gw pour chaque connection
|
305 |
$IPTABLES -A PREROUTING -t mangle -j CONNMARK --restore-mark
|
298 |
$IPTABLES -A PREROUTING -t mangle -j CONNMARK --restore-mark
|
306 |
|
299 |
|
307 |
if [ "$PROXY" == "on" ] || [ "$PROXY" == "On" ];then
|
300 |
if [ "$PROXY" == "on" ] || [ "$PROXY" == "On" ];then
|
308 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF ! -d $PRIVATE_IP -p tcp -m multiport --dports http,https -j DNAT --to-destination $PROXY_IP
|
301 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF ! -d $PRIVATE_IP -p tcp -m multiport --dports http,https -j DNAT --to-destination $PROXY_IP
|
309 |
fi
|
302 |
fi
|
310 |
|
303 |
|
311 |
#Marquage pour le load balancing
|
304 |
#Marquage pour le load balancing
|
312 |
if [ "$MULTIWAN" == "on" ] || [ "$MULTIWAN" == "On" ]; then
|
305 |
if [ "$MULTIWAN" == "on" ] || [ "$MULTIWAN" == "On" ]; then
|
313 |
temp_index=200
|
306 |
temp_index=200
|
314 |
for i in $gw_list; do
|
307 |
for i in $gw_list; do
|
315 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -m set --match-set $i src -j MARK --set-mark $temp_index
|
308 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -m set --match-set $i src -j MARK --set-mark $temp_index
|
316 |
temp_index=$(($temp_index+1))
|
309 |
temp_index=$(($temp_index+1))
|
317 |
done
|
310 |
done
|
318 |
fi
|
311 |
fi
|
319 |
|
312 |
|
320 |
|
- |
|
321 |
#############################
|
313 |
#############################
|
322 |
# INPUT #
|
314 |
# INPUT #
|
323 |
#############################
|
315 |
#############################
|
324 |
|
- |
|
325 |
# Tout passe sur loopback
|
316 |
# Tout passe sur loopback
|
326 |
# accept all on loopback
|
317 |
# accept all on loopback
|
327 |
$IPTABLES -A INPUT -i lo -j ACCEPT
|
318 |
$IPTABLES -A INPUT -i lo -j ACCEPT
|
328 |
$IPTABLES -A OUTPUT -o lo -j ACCEPT
|
319 |
$IPTABLES -A OUTPUT -o lo -j ACCEPT
|
329 |
|
320 |
|
330 |
# Rejet des demandes de connexions non conformes (FIN-URG-PUSH, XMAS, NullScan, SYN-RST et NEW not SYN)
|
321 |
# Rejet des demandes de connexions non conformes (FIN-URG-PUSH, XMAS, NullScan, SYN-RST et NEW not SYN)
|
331 |
# Drop non standard connexions (FIN-URG-PUSH, XMAS, NullScan, SYN-RST and NEW not SYN)
|
322 |
# Drop non standard connexions (FIN-URG-PUSH, XMAS, NullScan, SYN-RST and NEW not SYN)
|
332 |
$IPTABLES -A INPUT -p tcp --tcp-flags FIN,URG,PSH FIN,URG,PSH -j DROP
|
323 |
$IPTABLES -A INPUT -p tcp --tcp-flags FIN,URG,PSH FIN,URG,PSH -j DROP
|
333 |
$IPTABLES -A INPUT -p tcp --tcp-flags ALL ALL -j DROP
|
324 |
$IPTABLES -A INPUT -p tcp --tcp-flags ALL ALL -j DROP
|
334 |
$IPTABLES -A INPUT -p tcp --tcp-flags ALL NONE -j DROP
|
325 |
$IPTABLES -A INPUT -p tcp --tcp-flags ALL NONE -j DROP
|
335 |
$IPTABLES -A INPUT -p tcp --tcp-flags SYN,RST SYN,RST -j DROP
|
326 |
$IPTABLES -A INPUT -p tcp --tcp-flags SYN,RST SYN,RST -j DROP
|
336 |
$IPTABLES -A INPUT -p tcp -m tcp ! --syn -m conntrack --ctstate NEW -j DROP
|
327 |
$IPTABLES -A INPUT -p tcp -m tcp ! --syn -m conntrack --ctstate NEW -j DROP
|
337 |
|
328 |
|
338 |
# Si configéré, on autorise les réponses DHCP
|
329 |
# Si configéré, on autorise les réponses DHCP
|
339 |
# Allow DHCP answers if configured
|
330 |
# Allow DHCP answers if configured
|
340 |
public_ip_mask=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2` # ALCASAR WAN IP address
|
331 |
public_ip_mask=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2` # ALCASAR WAN IP address
|
341 |
if [[ "$public_ip_mask" == "dhcp" ]]
|
332 |
if [[ "$public_ip_mask" == "dhcp" ]]
|
342 |
then
|
333 |
then
|
343 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport 68 -j ACCEPT
|
334 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport 68 -j ACCEPT
|
344 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp --dport 68 -j ACCEPT
|
335 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp --dport 68 -j ACCEPT
|
345 |
fi
|
336 |
fi
|
346 |
# On rejette les trame en broadcast et en multicast sur EXTIF (évite leur journalisation)
|
337 |
# On rejette les trame en broadcast et en multicast sur EXTIF (évite leur journalisation)
|
347 |
# Drop broadcast & multicast on EXTIF to avoid log
|
338 |
# Drop broadcast & multicast on EXTIF to avoid log
|
348 |
$IPTABLES -A INPUT -m addrtype --dst-type BROADCAST,MULTICAST -j DROP
|
339 |
$IPTABLES -A INPUT -m addrtype --dst-type BROADCAST,MULTICAST -j DROP
|
349 |
|
340 |
|
350 |
# On autorise les retours de connexions légitimes par INPUT
|
341 |
# On autorise les retours de connexions légitimes par INPUT
|
351 |
# Conntrack on INPUT
|
342 |
# Conntrack on INPUT
|
352 |
$IPTABLES -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
|
343 |
$IPTABLES -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
|
353 |
|
344 |
|
354 |
# On interdit les connexions directes aux ports d'écoute d'E2Guardian. Les packets concernés ont été marqués et loggués dans la table mangle (PREROUTING)
|
345 |
# On interdit les connexions directes aux ports d'écoute d'E2Guardian. Les packets concernés ont été marqués et loggués dans la table mangle (PREROUTING)
|
355 |
# Deny direct connections on E2Guardian listen ports. The concerned paquets have been marked and logged in mangle table (PREROUTING)
|
346 |
# Deny direct connections on E2Guardian listen ports. The concerned paquets have been marked and logged in mangle table (PREROUTING)
|
356 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 8080 -m mark --mark 1 -j REJECT --reject-with tcp-reset # av_bl
|
347 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 8080 -m mark --mark 1 -j REJECT --reject-with tcp-reset # av_bl
|
357 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 8090 -m mark --mark 2 -j REJECT --reject-with tcp-reset # av_wl + av
|
348 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 8090 -m mark --mark 2 -j REJECT --reject-with tcp-reset # av_wl + av
|
358 |
#$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 8443 -m mark --mark 6 -j REJECT --reject-with tcp-reset # av_bl + av_wl + av (future version)
|
349 |
#$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 8443 -m mark --mark 6 -j REJECT --reject-with tcp-reset # av_bl + av_wl + av (future version)
|
359 |
|
350 |
|
360 |
# On autorise les connexions HTTP/HTTPS légitimes vers E2Guardian
|
351 |
# On autorise les connexions HTTP/HTTPS légitimes vers E2Guardian
|
361 |
# Allow HTTP connections to E2Guardian
|
352 |
# Allow HTTP connections to E2Guardian
|
362 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -p tcp --dport 8080 -m conntrack --ctstate NEW --syn -j ACCEPT
|
353 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -p tcp --dport 8080 -m conntrack --ctstate NEW --syn -j ACCEPT
|
363 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -p tcp --dport 8090 -m conntrack --ctstate NEW --syn -j ACCEPT
|
354 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -p tcp --dport 8090 -m conntrack --ctstate NEW --syn -j ACCEPT
|
364 |
#$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -p tcp --dport 8443 -m conntrack --ctstate NEW --syn -j ACCEPT # (future version)
|
355 |
#$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -p tcp --dport 8443 -m conntrack --ctstate NEW --syn -j ACCEPT # (future version)
|
365 |
|
356 |
|
366 |
# On interdit les connexions directes aux ports d'écoupe DNS (UNBOUND). Les packets concernés ont été marqués dans la table mangle (PREROUTING)
|
357 |
# On interdit les connexions directes aux ports d'écoupe DNS (UNBOUND). Les packets concernés ont été marqués dans la table mangle (PREROUTING)
|
367 |
# Deny direct connections to DNS ports (UNBOUND). The concerned paquets are marked in mangle table (PREROUTING)
|
358 |
# Deny direct connections to DNS ports (UNBOUND). The concerned paquets are marked in mangle table (PREROUTING)
|
368 |
$IPTABLES -A INPUT -i $TUNIF -p udp --dport 54 -m mark --mark 3 -j REJECT --reject-with icmp-port-unreachable
|
359 |
$IPTABLES -A INPUT -i $TUNIF -p udp --dport 54 -m mark --mark 3 -j REJECT --reject-with icmp-port-unreachable
|
369 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 54 -m mark --mark 3 -j REJECT --reject-with tcp-reset
|
360 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 54 -m mark --mark 3 -j REJECT --reject-with tcp-reset
|
370 |
$IPTABLES -A INPUT -i $TUNIF -p udp --dport 55 -m mark --mark 4 -j REJECT --reject-with icmp-port-unreachable
|
361 |
$IPTABLES -A INPUT -i $TUNIF -p udp --dport 55 -m mark --mark 4 -j REJECT --reject-with icmp-port-unreachable
|
371 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 55 -m mark --mark 4 -j REJECT --reject-with tcp-reset
|
362 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 55 -m mark --mark 4 -j REJECT --reject-with tcp-reset
|
372 |
$IPTABLES -A INPUT -i $TUNIF -p udp --dport 56 -m mark --mark 5 -j REJECT --reject-with icmp-port-unreachable
|
363 |
$IPTABLES -A INPUT -i $TUNIF -p udp --dport 56 -m mark --mark 5 -j REJECT --reject-with icmp-port-unreachable
|
373 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 56 -m mark --mark 5 -j REJECT --reject-with tcp-reset
|
364 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 56 -m mark --mark 5 -j REJECT --reject-with tcp-reset
|
374 |
|
365 |
|
375 |
# On autorise les connexion DNS légitime
|
366 |
# On autorise les connexion DNS légitime
|
376 |
# Allow DNS connections
|
367 |
# Allow DNS connections
|
377 |
# ipset = av_bl
|
368 |
# ipset = av_bl
|
378 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport 54 -j ACCEPT
|
369 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport 54 -j ACCEPT
|
379 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 54 -j ACCEPT
|
370 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 54 -j ACCEPT
|
380 |
# ipset = av_wl
|
371 |
# ipset = av_wl
|
381 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport 55 -j ACCEPT
|
372 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport 55 -j ACCEPT
|
382 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 55 -j ACCEPT
|
373 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 55 -j ACCEPT
|
383 |
# blackall
|
374 |
# blackall
|
384 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport 56 -j ACCEPT
|
375 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport 56 -j ACCEPT
|
385 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 56 -j ACCEPT
|
376 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 56 -j ACCEPT
|
386 |
|
377 |
|
387 |
# On accepte l'accès aux services internes
|
378 |
# On accepte l'accès aux services internes
|
388 |
# Internal services access
|
379 |
# Internal services access
|
389 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport domain -j ACCEPT # DNS
|
380 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport domain -j ACCEPT # DNS
|
390 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport domain -j ACCEPT # DNS
|
381 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport domain -j ACCEPT # DNS
|
391 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p icmp --icmp-type 8 -j ACCEPT # Réponse ping # ping responce
|
382 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p icmp --icmp-type 8 -j ACCEPT # Réponse ping # ping responce
|
392 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p icmp --icmp-type 0 -j ACCEPT # Requête ping # ping request
|
383 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p icmp --icmp-type 0 -j ACCEPT # Requête ping # ping request
|
393 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport https -j ACCEPT # Pages d'authentification et MCC # authentication pages and MCC
|
384 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport https -j ACCEPT # Pages d'authentification et MCC # authentication pages and MCC
|
394 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport http -j ACCEPT # Page d'avertissement filtrage # Filtering warning pages
|
385 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport http -j ACCEPT # Page d'avertissement filtrage # Filtering warning pages
|
395 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 3990:3991 -j ACCEPT # Requêtes de deconnexion usagers # Users logout requests
|
386 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 3990:3991 -j ACCEPT # Requêtes de deconnexion usagers # Users logout requests
|
396 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport ntp -j ACCEPT # Serveur local de temps # local time server
|
387 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport ntp -j ACCEPT # Serveur local de temps # local time server
|
397 |
|
388 |
|
398 |
# Accès au serveur SSHD si activé en LAN et WAN
|
389 |
# Accès au serveur SSHD si activé en LAN et WAN
|
399 |
# SSHD server access in LAN and WAN if enabled
|
390 |
# SSHD server access in LAN and WAN if enabled
|
400 |
if [ $SSH_LAN -gt 0 ]
|
391 |
if [ $SSH_LAN -gt 0 ]
|
401 |
then
|
392 |
then
|
402 |
$IPTABLES -A INPUT -i $TUNIF -s $SSH_LAN_ADMIN_FROM -d $PRIVATE_IP -p tcp --dport $SSH_LAN -m conntrack --ctstate NEW -j NFLOG --nflog-group 2 --nflog-prefix "RULE ssh-from-LAN -- ACCEPT"
|
393 |
$IPTABLES -A INPUT -i $TUNIF -s $SSH_LAN_ADMIN_FROM -d $PRIVATE_IP -p tcp --dport $SSH_LAN -m conntrack --ctstate NEW -j NFLOG --nflog-group 2 --nflog-prefix "RULE ssh-from-LAN -- ACCEPT"
|
403 |
$IPTABLES -A INPUT -i $TUNIF -s $SSH_LAN_ADMIN_FROM -d $PRIVATE_IP -p tcp --dport $SSH_LAN -j ACCEPT
|
394 |
$IPTABLES -A INPUT -i $TUNIF -s $SSH_LAN_ADMIN_FROM -d $PRIVATE_IP -p tcp --dport $SSH_LAN -j ACCEPT
|
404 |
fi
|
395 |
fi
|
405 |
if [ $SSH_WAN -gt 0 ]
|
396 |
if [ $SSH_WAN -gt 0 ]
|
406 |
then
|
397 |
then
|
407 |
$IPTABLES -A INPUT -i $EXTIF -s $SSH_WAN_ADMIN_FROM -d $PUBLIC_IP -p tcp --dport $SSH_WAN -m conntrack --ctstate NEW --syn -j NFLOG --nflog-group 2 --nflog-prefix "RULE ssh-from-WAN -- ACCEPT"
|
398 |
$IPTABLES -A INPUT -i $EXTIF -s $SSH_WAN_ADMIN_FROM -d $PUBLIC_IP -p tcp --dport $SSH_WAN -m conntrack --ctstate NEW --syn -j NFLOG --nflog-group 2 --nflog-prefix "RULE ssh-from-WAN -- ACCEPT"
|
408 |
$IPTABLES -A INPUT -i $EXTIF -s $SSH_WAN_ADMIN_FROM -d $PUBLIC_IP -p tcp --dport $SSH_WAN -m conntrack --ctstate NEW -j ACCEPT
|
399 |
$IPTABLES -A INPUT -i $EXTIF -s $SSH_WAN_ADMIN_FROM -d $PUBLIC_IP -p tcp --dport $SSH_WAN -j ACCEPT
|
409 |
fi
|
400 |
fi
|
410 |
|
401 |
|
411 |
# Insertion de règles locales
|
402 |
# Insertion de règles locales
|
412 |
# Here, we add local rules (i.e. VPN from Internet)
|
403 |
# Here, we add local rules (i.e. VPN from Internet)
|
413 |
if [ -f /usr/local/etc/alcasar-iptables-local.sh ]; then
|
404 |
if [ -f /usr/local/etc/alcasar-iptables-local.sh ]; then
|
414 |
. /usr/local/etc/alcasar-iptables-local.sh
|
405 |
. /usr/local/etc/alcasar-iptables-local.sh
|
415 |
fi
|
406 |
fi
|
416 |
|
407 |
|
417 |
# Journalisation et rejet des connexions (autres que celles autorisées) effectuées depuis le LAN
|
408 |
# Journalisation et rejet des connexions (autres que celles autorisées) effectuées depuis le LAN
|
418 |
# Deny and log on INPUT from the LAN
|
409 |
# Deny and log on INPUT from the LAN
|
419 |
$IPTABLES -A INPUT -i $TUNIF -m conntrack --ctstate NEW -j NFLOG --nflog-group 3 --nflog-prefix "RULE rej-int -- REJECT "
|
410 |
$IPTABLES -A INPUT -i $TUNIF -m conntrack --ctstate NEW -j NFLOG --nflog-group 3 --nflog-prefix "RULE rej-int -- REJECT "
|
420 |
$IPTABLES -A INPUT -i $TUNIF -p tcp -j REJECT --reject-with tcp-reset
|
411 |
$IPTABLES -A INPUT -i $TUNIF -p tcp -j REJECT --reject-with tcp-reset
|
421 |
$IPTABLES -A INPUT -i $TUNIF -p udp -j REJECT --reject-with icmp-port-unreachable
|
412 |
$IPTABLES -A INPUT -i $TUNIF -p udp -j REJECT --reject-with icmp-port-unreachable
|
422 |
|
413 |
|
423 |
# Interdiction d'accès à INTIF (n'est utile que lorsque chilli est arrêté).
|
414 |
# Interdiction d'accès à INTIF (n'est utile que lorsque chilli est arrêté).
|
424 |
# Reject INTIF access (only when chilli is down)
|
415 |
# Reject INTIF access (only when chilli is down)
|
425 |
$IPTABLES -A INPUT -i $INTIF -j NFLOG --nflog-group 3 --nflog-prefix "RULE Protect1 -- REJECT "
|
416 |
$IPTABLES -A INPUT -i $INTIF -j NFLOG --nflog-group 3 --nflog-prefix "RULE Protect1 -- REJECT "
|
426 |
$IPTABLES -A INPUT -i $INTIF -j REJECT
|
417 |
$IPTABLES -A INPUT -i $INTIF -j REJECT
|
427 |
|
418 |
|
428 |
# Journalisation et rejet des connexions initiées depuis le réseau extérieur (test des effets du paramètre --limit en cours)
|
419 |
# Journalisation et rejet des connexions initiées depuis le réseau extérieur (test des effets du paramètre --limit en cours)
|
429 |
# On EXTIF, the access attempts are log in channel 2 (we should test --limit option to avoid deny of service)
|
420 |
# On EXTIF, the access attempts are log in channel 2 (we should test --limit option to avoid deny of service)
|
430 |
$IPTABLES -A INPUT -i $EXTIF -m conntrack --ctstate NEW -j NFLOG --nflog-group 3 --nflog-threshold 10 --nflog-prefix "RULE rej-ext -- DROP"
|
421 |
$IPTABLES -A INPUT -i $EXTIF -m conntrack --ctstate NEW -j NFLOG --nflog-group 3 --nflog-threshold 10 --nflog-prefix "RULE rej-ext -- DROP"
|
431 |
|
422 |
|
432 |
#############################
|
423 |
#############################
|
433 |
# FORWARD #
|
424 |
# FORWARD #
|
434 |
#############################
|
425 |
#############################
|
435 |
|
- |
|
436 |
# Blocage des IPs du SET bl_ip_blocked pour le SET av_bl
|
426 |
# Blocage des IPs du SET bl_ip_blocked pour le SET av_bl
|
437 |
# Deny IPs of the SET bl_ip_blocked for the set av_bl
|
427 |
# Deny IPs of the SET bl_ip_blocked for the set av_bl
|
438 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set av_bl src -m set --match-set bl_ip_blocked dst -p icmp -j REJECT --reject-with icmp-host-prohibited
|
428 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set av_bl src -m set --match-set bl_ip_blocked dst -p icmp -j REJECT --reject-with icmp-host-prohibited
|
439 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set av_bl src -m set --match-set bl_ip_blocked dst -p udp -j REJECT --reject-with icmp-host-prohibited
|
429 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set av_bl src -m set --match-set bl_ip_blocked dst -p udp -j REJECT --reject-with icmp-host-prohibited
|
440 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set av_bl src -m set --match-set bl_ip_blocked dst -p tcp -j REJECT --reject-with tcp-reset
|
430 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set av_bl src -m set --match-set bl_ip_blocked dst -p tcp -j REJECT --reject-with tcp-reset
|
441 |
|
431 |
|
442 |
# Active le suivi de session
|
432 |
# Active le suivi de session
|
443 |
# Allow Conntrack
|
433 |
# Allow Conntrack
|
444 |
$IPTABLES -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
|
434 |
$IPTABLES -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
|
445 |
|
435 |
|
446 |
# Compute uamallowed IP (ie : IP address of equipments connected between ALCASAR and router like DMZ, own servers, etc.)
|
436 |
# Compute uamallowed IP (ie : IP address of equipments connected between ALCASAR and router like DMZ, own servers, etc.)
|
447 |
nb_uamallowed=`wc -l /usr/local/etc/alcasar-uamallowed | cut -d" " -f1`
|
437 |
nb_uamallowed=`wc -l /usr/local/etc/alcasar-uamallowed | cut -d" " -f1`
|
448 |
if [ $nb_uamallowed != "0" ]
|
438 |
if [ $nb_uamallowed != "0" ]
|
449 |
then
|
439 |
then
|
450 |
while read ip_allowed_line
|
440 |
while read ip_allowed_line
|
451 |
do
|
441 |
do
|
452 |
ip_allowed=`echo $ip_allowed_line|cut -d"\"" -f2`
|
442 |
ip_allowed=`echo $ip_allowed_line|cut -d"\"" -f2`
|
453 |
$IPTABLES -A FORWARD -i $TUNIF -d $ip_allowed -m conntrack --ctstate NEW -j NETFLOW
|
443 |
$IPTABLES -A FORWARD -i $TUNIF -d $ip_allowed -m conntrack --ctstate NEW -j NETFLOW
|
454 |
$IPTABLES -A FORWARD -i $TUNIF -d $ip_allowed -m conntrack --ctstate NEW -j ACCEPT
|
444 |
$IPTABLES -A FORWARD -i $TUNIF -d $ip_allowed -m conntrack --ctstate NEW -j ACCEPT
|
455 |
done < /usr/local/etc/alcasar-uamallowed
|
445 |
done < /usr/local/etc/alcasar-uamallowed
|
456 |
fi
|
446 |
fi
|
457 |
|
447 |
|
458 |
# filtrage protocole par utilisateur (profile 1 : http, https)
|
448 |
# filtrage protocole par utilisateur (profile 1 : http, https)
|
459 |
# protocols filtering for users (profil 1 : http, https)
|
449 |
# protocols filtering for users (profil 1 : http, https)
|
460 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_1 src -s $PRIVATE_NETWORK_MASK -p tcp -m multiport ! --dports http,https -m conntrack --ctstate NEW -j REJECT --reject-with tcp-reset
|
450 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_1 src -s $PRIVATE_NETWORK_MASK -p tcp -m multiport ! --dports http,https -m conntrack --ctstate NEW -j REJECT --reject-with tcp-reset
|
461 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_1 src -s $PRIVATE_NETWORK_MASK -p udp -m multiport ! --dports http,https -m conntrack --ctstate NEW -j REJECT --reject-with icmp-port-unreachable
|
451 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_1 src -s $PRIVATE_NETWORK_MASK -p udp -m multiport ! --dports http,https -m conntrack --ctstate NEW -j REJECT --reject-with icmp-port-unreachable
|
462 |
|
452 |
|
463 |
# filtrage protocole par utilisateur (profile 2 : http https smtp pop3 pop3s imap imaps ftp sftp ssh)
|
453 |
# filtrage protocole par utilisateur (profile 2 : http https smtp pop3 pop3s imap imaps ftp sftp ssh)
|
464 |
# protocols filtering for users (profil 2 : http https smtp pop3 pop3s imap imaps ftp sftp ssh)
|
454 |
# protocols filtering for users (profil 2 : http https smtp pop3 pop3s imap imaps ftp sftp ssh)
|
465 |
|
455 |
|
466 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_2 src -s $PRIVATE_NETWORK_MASK -p tcp -m multiport ! --dports smtp,http,https,pop3,pop3s,imap,imaps,ftp,ftp-data,sftp,ssh -m conntrack --ctstate NEW -j REJECT --reject-with tcp-reset
|
456 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_2 src -s $PRIVATE_NETWORK_MASK -p tcp -m multiport ! --dports smtp,http,https,pop3,pop3s,imap,imaps,ftp,ftp-data,sftp,ssh -m conntrack --ctstate NEW -j REJECT --reject-with tcp-reset
|
467 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_2 src -s $PRIVATE_NETWORK_MASK -p udp -m multiport ! --dports smtp,http,https,pop3,pop3s,imap,imaps,ftp,ftp-data,sftp,ssh -m conntrack --ctstate NEW -j REJECT --reject-with icmp-port-unreachable
|
457 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_2 src -s $PRIVATE_NETWORK_MASK -p udp -m multiport ! --dports smtp,http,https,pop3,pop3s,imap,imaps,ftp,ftp-data,sftp,ssh -m conntrack --ctstate NEW -j REJECT --reject-with icmp-port-unreachable
|
468 |
|
458 |
|
469 |
# filtrage protocole par utilisateur (profile 3 : personnalisable via l'ACC)
|
459 |
# filtrage protocole par utilisateur (profile 3 : personnalisable via l'ACC)
|
470 |
# protocols filtering for users (profil 3 : customized with ACC)
|
460 |
# protocols filtering for users (profil 3 : customized with ACC)
|
471 |
custom_tcp_protocols_list='';custom_udp_protocols_list=''
|
461 |
custom_tcp_protocols_list='';custom_udp_protocols_list=''
|
472 |
while read svc_line
|
462 |
while read svc_line
|
473 |
do
|
463 |
do
|
474 |
svc_on=`echo $svc_line|cut -b1`
|
464 |
svc_on=`echo $svc_line|cut -b1`
|
475 |
if [ $svc_on != "#" ]
|
465 |
if [ $svc_on != "#" ]
|
476 |
then
|
466 |
then
|
477 |
svc_name=`echo $svc_line|cut -d" " -f1`
|
467 |
svc_name=`echo $svc_line|cut -d" " -f1`
|
478 |
svc_port=`echo $svc_line|cut -d" " -f2`
|
468 |
svc_port=`echo $svc_line|cut -d" " -f2`
|
479 |
if [ $svc_name = "icmp" ]
|
469 |
if [ $svc_name = "icmp" ]
|
480 |
then
|
470 |
then
|
481 |
svc_icmp="on"
|
471 |
svc_icmp="on"
|
482 |
else
|
472 |
else
|
483 |
if [ "$custom_tcp_protocols_list" == "" ]
|
473 |
if [ "$custom_tcp_protocols_list" == "" ]
|
484 |
then
|
474 |
then
|
485 |
custom_tcp_protocols_list=$svc_port
|
475 |
custom_tcp_protocols_list=$svc_port
|
486 |
else
|
476 |
else
|
487 |
custom_tcp_protocols_list=`echo $custom_tcp_protocols_list","$svc_port`
|
477 |
custom_tcp_protocols_list=`echo $custom_tcp_protocols_list","$svc_port`
|
488 |
fi
|
478 |
fi
|
489 |
udp_svc=`egrep "[[:space:]]$svc_port/udp" /etc/services|wc -l`
|
479 |
udp_svc=`egrep "[[:space:]]$svc_port/udp" /etc/services|wc -l`
|
490 |
if [ $udp_svc = "1" ] # udp service exist
|
480 |
if [ $udp_svc = "1" ] # udp service exist
|
491 |
then
|
481 |
then
|
492 |
if [ "$custom_udp_protocols_list" == "" ]
|
482 |
if [ "$custom_udp_protocols_list" == "" ]
|
493 |
then
|
483 |
then
|
494 |
custom_udp_protocols_list=$svc_port
|
484 |
custom_udp_protocols_list=$svc_port
|
495 |
else
|
485 |
else
|
496 |
custom_udp_protocols_list=`echo $custom_udp_protocols_list","$svc_port`
|
486 |
custom_udp_protocols_list=`echo $custom_udp_protocols_list","$svc_port`
|
497 |
fi
|
487 |
fi
|
498 |
fi
|
488 |
fi
|
499 |
fi
|
489 |
fi
|
500 |
fi
|
490 |
fi
|
501 |
done < /usr/local/etc/alcasar-services
|
491 |
done < /usr/local/etc/alcasar-services
|
502 |
if [ "$custom_tcp_protocols_list" == "" ]
|
492 |
if [ "$custom_tcp_protocols_list" == "" ]
|
503 |
then
|
493 |
then
|
504 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_3 src -s $PRIVATE_NETWORK_MASK -j REJECT
|
494 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_3 src -s $PRIVATE_NETWORK_MASK -j REJECT
|
505 |
else
|
495 |
else
|
506 |
if [ "$svc_icmp" != "on" ]
|
496 |
if [ "$svc_icmp" != "on" ]
|
507 |
then
|
497 |
then
|
508 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_3 src -s $PRIVATE_NETWORK_MASK -p icmp -j REJECT --reject-with icmp-proto-unreachable
|
498 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_3 src -s $PRIVATE_NETWORK_MASK -p icmp -j REJECT --reject-with icmp-proto-unreachable
|
509 |
fi
|
499 |
fi
|
510 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_3 src -s $PRIVATE_NETWORK_MASK -p tcp -m multiport ! --dports $custom_tcp_protocols_list -m conntrack --ctstate NEW -j REJECT --reject-with tcp-reset
|
500 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_3 src -s $PRIVATE_NETWORK_MASK -p tcp -m multiport ! --dports $custom_tcp_protocols_list -m conntrack --ctstate NEW -j REJECT --reject-with tcp-reset
|
511 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_3 src -s $PRIVATE_NETWORK_MASK -p udp -m multiport ! --dports $custom_udp_protocols_list -m conntrack --ctstate NEW -j REJECT --reject-with icmp-port-unreachable
|
501 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_3 src -s $PRIVATE_NETWORK_MASK -p udp -m multiport ! --dports $custom_udp_protocols_list -m conntrack --ctstate NEW -j REJECT --reject-with icmp-port-unreachable
|
512 |
fi
|
502 |
fi
|
513 |
|
503 |
|
514 |
# Blocage des usagers 'av_wl' cherchant à joindre les IP qui ne sont pas dans la WL
|
504 |
# Blocage des usagers 'av_wl' cherchant à joindre les IP qui ne sont pas dans la WL
|
515 |
# Block 'av_wl' users who want IP not in the WL
|
505 |
# Block 'av_wl' users who want IP not in the WL
|
516 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set av_wl src -m set ! --match-set wl_ip_allowed dst -j DROP
|
506 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set av_wl src -m set ! --match-set wl_ip_allowed dst -j DROP
|
517 |
|
507 |
|
518 |
# journalisation et autorisation des connections sortant du LAN
|
508 |
# journalisation et autorisation des connections sortant du LAN
|
519 |
# Allow forward connections with log
|
509 |
# Allow forward connections with log
|
520 |
$IPTABLES -A FORWARD -i $TUNIF -s $PRIVATE_NETWORK_MASK -m conntrack --ctstate NEW -j NETFLOW
|
510 |
$IPTABLES -A FORWARD -i $TUNIF -s $PRIVATE_NETWORK_MASK -m conntrack --ctstate NEW -j NETFLOW
|
521 |
$IPTABLES -A FORWARD -i $TUNIF -s $PRIVATE_NETWORK_MASK -m conntrack --ctstate NEW -j ACCEPT
|
511 |
$IPTABLES -A FORWARD -i $TUNIF -s $PRIVATE_NETWORK_MASK -m conntrack --ctstate NEW -j ACCEPT
|
522 |
|
512 |
|
523 |
#############################
|
513 |
#############################
|
524 |
# OUTPUT #
|
514 |
# OUTPUT #
|
525 |
#############################
|
515 |
#############################
|
526 |
# On laisse tout sortir sur la carte interne (voir les règles suivantes pour la carte externe)
|
516 |
# On laisse tout sortir sur la carte interne (voir les règles suivantes pour la carte externe)
|
527 |
# We let everything out on INTIF (see following rules for the EXTIF)
|
517 |
# We let everything out on INTIF (see following rules for the EXTIF)
|
528 |
$IPTABLES -A OUTPUT ! -o $EXTIF -j ACCEPT
|
518 |
$IPTABLES -A OUTPUT ! -o $EXTIF -j ACCEPT
|
529 |
|
519 |
|
530 |
# Si configuré, on autorise les requêtes DHCP
|
520 |
# Si configuré, on autorise les requêtes DHCP
|
531 |
# Allow DHCP requests if configured
|
521 |
# Allow DHCP requests if configured
|
532 |
public_ip_mask=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2` # ALCASAR WAN IP address
|
522 |
public_ip_mask=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2` # ALCASAR WAN IP address
|
533 |
if [[ "$public_ip_mask" == "dhcp" ]]
|
523 |
if [[ "$public_ip_mask" == "dhcp" ]]
|
534 |
then
|
524 |
then
|
535 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport 67 -j ACCEPT
|
525 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport 67 -j ACCEPT
|
536 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp --dport 67 -j ACCEPT
|
526 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp --dport 67 -j ACCEPT
|
537 |
fi
|
527 |
fi
|
538 |
|
528 |
|
539 |
# On autorise les requêtes DNS vers les serveurs DNS identifiés
|
529 |
# On autorise les requêtes DNS vers les serveurs DNS identifiés
|
540 |
# Allow DNS requests to identified DNS servers
|
530 |
# Allow DNS requests to identified DNS servers
|
541 |
$IPTABLES -A OUTPUT -o $EXTIF -d $DNSSERVERS -p udp --dport domain -m conntrack --ctstate NEW -j ACCEPT
|
531 |
$IPTABLES -A OUTPUT -o $EXTIF -d $DNSSERVERS -p udp --dport domain -m conntrack --ctstate NEW -j ACCEPT
|
542 |
|
532 |
|
543 |
# On autorise les requêtes HTTP et HTTPS avec log Netflow (en provenance de E2guardian)
|
533 |
# On autorise les requêtes HTTP et HTTPS avec log Netflow (en provenance de E2guardian)
|
544 |
# HTTP & HTTPS requests are allowed with netflow log (from E2guardian)
|
534 |
# HTTP & HTTPS requests are allowed with netflow log (from E2guardian)
|
545 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport http -j NETFLOW
|
535 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport http -j NETFLOW
|
546 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport http -j ACCEPT
|
536 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport http -j ACCEPT
|
547 |
#$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport https -j NETFLOW # When E2guardian will be in HTTPS transparent proxy)
|
537 |
#$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport https -j NETFLOW # When E2guardian will be in HTTPS transparent proxy)
|
548 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport https -j ACCEPT
|
538 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport https -j ACCEPT
|
549 |
|
539 |
|
550 |
# On autorise les requêtes RSYNC sortantes (maj BL de Toulouse)
|
540 |
# On autorise les requêtes RSYNC sortantes (maj BL de Toulouse)
|
551 |
# RSYNC requests are allowed (update of Toulouse BL)
|
541 |
# RSYNC requests are allowed (update of Toulouse BL)
|
552 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport rsync -j ACCEPT
|
542 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport rsync -j ACCEPT
|
553 |
|
543 |
|
554 |
# On autorise les requêtes FTP
|
544 |
# On autorise les requêtes FTP
|
555 |
# FTP requests are allowed
|
545 |
# FTP requests are allowed
|
556 |
modprobe nf_conntrack_ftp
|
546 |
modprobe nf_conntrack_ftp
|
557 |
$IPTABLES -t raw -A OUTPUT -p tcp --dport ftp -j CT --helper ftp
|
547 |
$IPTABLES -t raw -A OUTPUT -p tcp --dport ftp -j CT --helper ftp
|
558 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport ftp -j ACCEPT
|
548 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport ftp -j ACCEPT
|
559 |
$IPTABLES -A OUTPUT -o $EXTIF -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
|
549 |
$IPTABLES -A OUTPUT -o $EXTIF -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
|
560 |
|
550 |
|
561 |
# On autorise les requêtes NTP
|
551 |
# On autorise les requêtes NTP
|
562 |
# NTP requests are allowed
|
552 |
# NTP requests are allowed
|
563 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp --dport ntp -j ACCEPT
|
553 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp --dport ntp -j ACCEPT
|
564 |
|
554 |
|
565 |
# On autorise les requêtes ICMP (ping)
|
555 |
# On autorise les requêtes ICMP (ping)
|
566 |
# ICMP (ping) requests are allowed
|
556 |
# ICMP (ping) requests are allowed
|
567 |
$IPTABLES -A OUTPUT -o $EXTIF -p icmp --icmp-type 8 -j ACCEPT
|
557 |
$IPTABLES -A OUTPUT -o $EXTIF -p icmp --icmp-type 8 -j ACCEPT
|
568 |
|
558 |
|
569 |
# On autorise les requêtes LDAP
|
559 |
# On autorise les requêtes LDAP
|
570 |
# LDAP requests are allowed
|
560 |
# LDAP requests are allowed
|
571 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp -m multiport --dports ldap,ldaps -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
|
561 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp -m multiport --dports ldap,ldaps -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
|
572 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp -m multiport --dports ldap,ldaps -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
|
562 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp -m multiport --dports ldap,ldaps -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
|
573 |
|
563 |
|
574 |
#############################
|
564 |
#############################
|
575 |
# POSTROUTING #
|
565 |
# POSTROUTING #
|
576 |
#############################
|
566 |
#############################
|
577 |
# Traduction dynamique d'adresse en sortie
|
567 |
# Traduction dynamique d'adresse en sortie
|
578 |
# Dynamic NAT on EXTIF
|
568 |
# Dynamic NAT on EXTIF
|
579 |
$IPTABLES -A POSTROUTING -t nat -o $EXTIF -j MASQUERADE
|
569 |
$IPTABLES -A POSTROUTING -t nat -o $EXTIF -j MASQUERADE
|
580 |
|
570 |
|
581 |
#Sauvegarde de la marque associée à la connexion pour le load balancing
|
571 |
#Sauvegarde de la marque associée à la connexion pour le load balancing
|
582 |
$IPTABLES -A POSTROUTING -t mangle -j CONNMARK --save-mark
|
572 |
$IPTABLES -A POSTROUTING -t mangle -j CONNMARK --save-mark
|
583 |
|
573 |
|
584 |
#############################
|
574 |
#############################
|
585 |
# FAIL2BAN #
|
575 |
# FAIL2BAN #
|
586 |
#############################
|
576 |
#############################
|
587 |
# Reload Fail2Ban
|
577 |
# Reload Fail2Ban
|
588 |
if systemctl -q is-active fail2ban; then
|
578 |
if systemctl -q is-active fail2ban; then
|
589 |
/usr/bin/fail2ban-client ping &>/dev/null && /usr/bin/fail2ban-client -q reload &>/dev/null
|
579 |
/usr/bin/fail2ban-client ping &>/dev/null && /usr/bin/fail2ban-client -q reload &>/dev/null
|
590 |
fi
|
580 |
fi
|
591 |
|
581 |
|