1 |
#!/bin/bash
|
1 |
#!/bin/bash
|
2 |
# $Id: alcasar-iptables.sh 2841 2020-06-28 21:49:00Z rexy $
|
2 |
# $Id: alcasar-iptables.sh 2844 2020-07-04 15:21:55Z rexy $
|
3 |
# Script de mise en place des regles du parefeu d'Alcasar (mode normal)
|
3 |
# Script de mise en place des regles du parefeu d'Alcasar (mode normal)
|
4 |
# This script writes the netfilter rules for ALCASAR
|
4 |
# This script writes the netfilter rules for ALCASAR
|
5 |
# Rexy - 3abtux - CPN
|
5 |
# Rexy - 3abtux - CPN
|
6 |
#
|
6 |
#
|
7 |
# Reminders
|
7 |
# Reminders
|
8 |
# There are four channels for log :
|
8 |
# There are four channels for log :
|
9 |
# 1 tracability of the consultation equipment with The 'Netflow' kernel module (iptables target = NETFLOW);
|
9 |
# 1 tracability of the consultation equipment with The 'Netflow' kernel module (iptables target = NETFLOW);
|
10 |
# 2 protection of ALCASAR with the Ulog group 1 (default group)
|
10 |
# 2 protection of ALCASAR with the Ulog group 1 (default group)
|
11 |
# 3 SSH on ALCASAR with the Ulog group 2;
|
11 |
# 3 SSH on ALCASAR with the Ulog group 2;
|
12 |
# 4 extern access attempts on ALCASAR with the Ulog group 3.
|
12 |
# 4 extern access attempts on ALCASAR with the Ulog group 3.
|
13 |
# The bootps/dhcp (67) port is always open on tun0/INTIF by coova
|
13 |
# The bootps/dhcp (67) port is always open on tun0/INTIF by coova
|
14 |
CONF_FILE="/usr/local/etc/alcasar.conf"
|
14 |
CONF_FILE="/usr/local/etc/alcasar.conf"
|
15 |
EXTIF=`grep ^EXTIF= $CONF_FILE|cut -d"=" -f2` # EXTernal InterFace
|
15 |
EXTIF=`grep ^EXTIF= $CONF_FILE|cut -d"=" -f2` # EXTernal InterFace
|
16 |
INTIF=`grep ^INTIF= $CONF_FILE|cut -d"=" -f2` # INTernal InterFace
|
16 |
INTIF=`grep ^INTIF= $CONF_FILE|cut -d"=" -f2` # INTernal InterFace
|
17 |
TUNIF="tun0" # listen device for chilli daemon
|
17 |
TUNIF="tun0" # listen device for chilli daemon
|
18 |
private_ip_mask=`grep ^PRIVATE_IP= $CONF_FILE|cut -d"=" -f2`
|
18 |
private_ip_mask=`grep ^PRIVATE_IP= $CONF_FILE|cut -d"=" -f2`
|
19 |
private_ip_mask=${private_ip_mask:=192.168.182.1/24}
|
19 |
private_ip_mask=${private_ip_mask:=192.168.182.1/24}
|
20 |
PRIVATE_IP=`echo $private_ip_mask | cut -d"/" -f1` # ALCASAR LAN IP address
|
20 |
PRIVATE_IP=`echo $private_ip_mask | cut -d"/" -f1` # ALCASAR LAN IP address
|
21 |
private_network=`/bin/ipcalc -n $private_ip_mask|cut -d"=" -f2` # LAN IP address (ie.: 192.168.182.0)
|
21 |
private_network=`/bin/ipcalc -n $private_ip_mask|cut -d"=" -f2` # LAN IP address (ie.: 192.168.182.0)
|
22 |
private_prefix=`/bin/ipcalc -p $private_ip_mask|cut -d"=" -f2` # LAN prefix (ie. 24)
|
22 |
private_prefix=`/bin/ipcalc -p $private_ip_mask|cut -d"=" -f2` # LAN prefix (ie. 24)
|
23 |
PRIVATE_NETWORK_MASK=$private_network/$private_prefix # Lan IP address + prefix (192.168.182.0/24)
|
23 |
PRIVATE_NETWORK_MASK=$private_network/$private_prefix # Lan IP address + prefix (192.168.182.0/24)
|
24 |
public_ip_mask=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2` # ALCASAR WAN IP address
|
24 |
public_ip_mask=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2` # ALCASAR WAN IP address
|
25 |
if [[ "$public_ip_mask" == "dhcp" ]]
|
25 |
if [[ "$public_ip_mask" == "dhcp" ]]
|
26 |
then
|
26 |
then
|
27 |
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"
|
27 |
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"
|
28 |
public_ip_mask=`ip addr show $EXTIF | egrep -o $PTN`
|
28 |
public_ip_mask=`ip addr show $EXTIF | egrep -o $PTN`
|
29 |
fi
|
29 |
fi
|
30 |
PUBLIC_IP=`echo $public_ip_mask | cut -d"/" -f1`
|
30 |
PUBLIC_IP=`echo $public_ip_mask | cut -d"/" -f1`
|
31 |
dns1=`grep ^DNS1= $CONF_FILE|cut -d"=" -f2`
|
31 |
dns1=`grep ^DNS1= $CONF_FILE|cut -d"=" -f2`
|
32 |
dns2=`grep ^DNS2= $CONF_FILE|cut -d"=" -f2`
|
32 |
dns2=`grep ^DNS2= $CONF_FILE|cut -d"=" -f2`
|
33 |
dns1=${dns1:=208.67.220.220}
|
33 |
dns1=${dns1:=208.67.220.220}
|
34 |
dns2=${dns2:=208.67.222.222}
|
34 |
dns2=${dns2:=208.67.222.222}
|
35 |
DNSSERVERS="$dns1,$dns2" # first and second public DNS servers
|
35 |
DNSSERVERS="$dns1,$dns2" # first and second public DNS servers
|
36 |
INT_DNS_IP=`grep INT_DNS_IP $CONF_FILE|cut -d"=" -f2` # Adresse du serveur DNS interne
|
36 |
INT_DNS_IP=`grep INT_DNS_IP $CONF_FILE|cut -d"=" -f2` # Adresse du serveur DNS interne
|
37 |
INT_DNS_ACTIVE=`grep INT_DNS_ACTIVE $CONF_FILE|cut -d"=" -f2` # Activation de la redirection DNS interne
|
37 |
INT_DNS_ACTIVE=`grep INT_DNS_ACTIVE $CONF_FILE|cut -d"=" -f2` # Activation de la redirection DNS interne
|
38 |
BL_IP_CAT="/usr/local/share/iptables-bl-enabled" # categories files of the BlackListed IP
|
38 |
BL_IP_CAT="/usr/local/share/iptables-bl-enabled" # categories files of the BlackListed IP
|
39 |
WL_IP_CAT="/usr/local/share/iptables-wl-enabled" # categories files of the WhiteListed IP
|
39 |
WL_IP_CAT="/usr/local/share/iptables-wl-enabled" # categories files of the WhiteListed IP
|
40 |
TMP_users_set_save="/tmp/users_set_save" # tmp file for backup users set
|
40 |
TMP_users_set_save="/tmp/users_set_save" # tmp file for backup users set
|
41 |
TMP_set_save="/tmp/ipset_save" # tmp file for blacklist and whitelist creation
|
41 |
TMP_set_save="/tmp/ipset_save" # tmp file for blacklist and whitelist creation
|
42 |
SSH=`grep ^SSH= $CONF_FILE|cut -d"=" -f2` # sshd active (on/off)
|
42 |
SSH=`grep ^SSH= $CONF_FILE|cut -d"=" -f2` # sshd active (on/off)
|
43 |
SSH=${SSH:=off}
|
43 |
SSH=${SSH:=off}
|
44 |
SSH_ADMIN_FROM=`grep ^SSH_ADMIN_FROM= $CONF_FILE|cut -d"=" -f2`
|
44 |
SSH_ADMIN_FROM=`grep ^SSH_ADMIN_FROM= $CONF_FILE|cut -d"=" -f2`
|
45 |
SSH_ADMIN_FROM=${SSH_ADMIN_FROM:="0.0.0.0/0.0.0.0"} # WAN IP address to reduce ssh access (all ip allowed on LAN side)
|
45 |
SSH_ADMIN_FROM=${SSH_ADMIN_FROM:="0.0.0.0/0.0.0.0"} # WAN IP address to reduce ssh access (all ip allowed on LAN side)
|
46 |
IPTABLES="/sbin/iptables"
|
46 |
IPTABLES="/sbin/iptables"
|
47 |
IP_REHABILITEES="/etc/e2guardian/lists/exceptioniplist" # Rehabilitated IP
|
47 |
IP_REHABILITEES="/etc/e2guardian/lists/exceptioniplist" # Rehabilitated IP
|
48 |
SITE_DIRECT="/usr/local/etc/alcasar-site-direct" # WEB Sites allowed for all (no av and no filtering for av_bl users)
|
48 |
SITE_DIRECT="/usr/local/etc/alcasar-site-direct" # WEB Sites allowed for all (no av and no filtering for av_bl users)
|
49 |
|
49 |
|
50 |
# Allow requests to internal DNS if activated
|
50 |
# Allow requests to internal DNS if activated
|
51 |
if [ "$INT_DNS_ACTIVE" = "on" ]
|
51 |
if [ "$INT_DNS_ACTIVE" = "on" ]
|
52 |
then
|
52 |
then
|
53 |
DNSSERVERS="$DNSSERVERS,$INT_DNS_IP"
|
53 |
DNSSERVERS="$DNSSERVERS,$INT_DNS_IP"
|
54 |
fi
|
54 |
fi
|
55 |
|
55 |
|
56 |
# Sauvegarde des SET des utilisateurs connectés si ils existent
|
56 |
# Sauvegarde des SET des utilisateurs connectés si ils existent
|
57 |
# Saving SET of connected users if it exists
|
57 |
# Saving SET of connected users if it exists
|
58 |
ipset list not_filtered 1>/dev/null 2>&1
|
58 |
ipset list not_filtered 1>/dev/null 2>&1
|
59 |
if [ $? -eq 0 ];
|
59 |
if [ $? -eq 0 ];
|
60 |
then
|
60 |
then
|
61 |
ipset save not_filtered > $TMP_users_set_save
|
61 |
ipset save not_filtered > $TMP_users_set_save
|
62 |
ipset save av >> $TMP_users_set_save
|
62 |
ipset save av >> $TMP_users_set_save
|
63 |
ipset save av_bl >> $TMP_users_set_save
|
63 |
ipset save av_bl >> $TMP_users_set_save
|
64 |
ipset save av_wl >> $TMP_users_set_save
|
64 |
ipset save av_wl >> $TMP_users_set_save
|
65 |
ipset save proto_0 >> $TMP_users_set_save
|
65 |
ipset save proto_0 >> $TMP_users_set_save
|
66 |
ipset save proto_1 >> $TMP_users_set_save
|
66 |
ipset save proto_1 >> $TMP_users_set_save
|
67 |
ipset save proto_2 >> $TMP_users_set_save
|
67 |
ipset save proto_2 >> $TMP_users_set_save
|
68 |
ipset save proto_3 >> $TMP_users_set_save
|
68 |
ipset save proto_3 >> $TMP_users_set_save
|
69 |
fi
|
69 |
fi
|
70 |
|
70 |
|
71 |
# Chargement de la sonde NetFlow (module noyau ipt_NETFLOW)
|
71 |
# Chargement de la sonde NetFlow (module noyau ipt_NETFLOW)
|
72 |
# loading of NetFlow probe (ipt_NETFLOW kernel module)
|
72 |
# loading of NetFlow probe (ipt_NETFLOW kernel module)
|
73 |
modprobe ipt_NETFLOW destination=127.0.0.1:2055
|
73 |
modprobe ipt_NETFLOW destination=127.0.0.1:2055
|
74 |
|
74 |
|
75 |
# Effacement des règles existantes
|
75 |
# Effacement des règles existantes
|
76 |
# Flush all existing rules
|
76 |
# Flush all existing rules
|
77 |
$IPTABLES -F
|
77 |
$IPTABLES -F
|
78 |
$IPTABLES -t nat -F
|
78 |
$IPTABLES -t nat -F
|
79 |
$IPTABLES -t mangle -F
|
79 |
$IPTABLES -t mangle -F
|
80 |
$IPTABLES -F INPUT
|
80 |
$IPTABLES -F INPUT
|
81 |
$IPTABLES -F FORWARD
|
81 |
$IPTABLES -F FORWARD
|
82 |
$IPTABLES -F OUTPUT
|
82 |
$IPTABLES -F OUTPUT
|
83 |
|
83 |
|
84 |
# Suppression des chaines utilisateurs sur les tables filter et nat
|
84 |
# Suppression des chaines utilisateurs sur les tables filter et nat
|
85 |
# Flush non default rules on filter and nat tables
|
85 |
# Flush non default rules on filter and nat tables
|
86 |
$IPTABLES -X
|
86 |
$IPTABLES -X
|
87 |
$IPTABLES -t nat -X
|
87 |
$IPTABLES -t nat -X
|
88 |
|
88 |
|
89 |
# Stratégies par défaut
|
89 |
# Stratégies par défaut
|
90 |
# Default policies
|
90 |
# Default policies
|
91 |
$IPTABLES -P INPUT DROP
|
91 |
$IPTABLES -P INPUT DROP
|
92 |
$IPTABLES -P FORWARD DROP
|
92 |
$IPTABLES -P FORWARD DROP
|
93 |
$IPTABLES -P OUTPUT DROP
|
93 |
$IPTABLES -P OUTPUT DROP
|
94 |
$IPTABLES -t nat -P PREROUTING ACCEPT
|
94 |
$IPTABLES -t nat -P PREROUTING ACCEPT
|
95 |
$IPTABLES -t nat -P POSTROUTING ACCEPT
|
95 |
$IPTABLES -t nat -P POSTROUTING ACCEPT
|
96 |
$IPTABLES -t nat -P OUTPUT ACCEPT
|
96 |
$IPTABLES -t nat -P OUTPUT ACCEPT
|
97 |
|
97 |
|
98 |
|
98 |
|
99 |
#############################
|
99 |
#############################
|
100 |
# IPSET #
|
100 |
# IPSET #
|
101 |
#############################
|
101 |
#############################
|
102 |
|
102 |
|
103 |
# destruction de tous les SET
|
103 |
# destruction de tous les SET
|
104 |
# destroy all SET
|
104 |
# destroy all SET
|
105 |
ipset flush
|
105 |
ipset flush
|
106 |
ipset destroy
|
106 |
ipset destroy
|
107 |
|
107 |
|
108 |
###### BL set ###########
|
108 |
###### BL set ###########
|
109 |
# Calcul de la taille / Compute the length
|
109 |
# Calcul de la taille / Compute the length
|
110 |
bl_set_length=$(wc -l $BL_IP_CAT/* | awk '{print $1}' | tail -n 1)
|
110 |
bl_set_length=$(wc -l $BL_IP_CAT/* | awk '{print $1}' | tail -n 1)
|
111 |
# Chargement / loading
|
111 |
# Chargement / loading
|
112 |
echo "create bl_ip_blocked hash:net family inet hashsize 1024 maxelem $bl_set_length" > $TMP_set_save
|
112 |
echo "create bl_ip_blocked hash:net family inet hashsize 1024 maxelem $bl_set_length" > $TMP_set_save
|
113 |
for category in `ls -1 $BL_IP_CAT | cut -d '@' -f1`
|
113 |
for category in `ls -1 $BL_IP_CAT | cut -d '@' -f1`
|
114 |
do
|
114 |
do
|
115 |
cat $BL_IP_CAT/$category >> $TMP_set_save
|
115 |
cat $BL_IP_CAT/$category >> $TMP_set_save
|
116 |
done
|
116 |
done
|
117 |
ipset -! restore < $TMP_set_save
|
117 |
ipset -! restore < $TMP_set_save
|
118 |
rm -f $TMP_set_save
|
118 |
rm -f $TMP_set_save
|
119 |
# Suppression des ip réhabilitées / Removing of rehabilitated ip
|
119 |
# Suppression des ip réhabilitées / Removing of rehabilitated ip
|
120 |
for ip in $(cat $IP_REHABILITEES)
|
120 |
for ip in $(cat $IP_REHABILITEES)
|
121 |
do
|
121 |
do
|
122 |
ipset -q del bl_ip_blocked $ip
|
122 |
ipset -q del bl_ip_blocked $ip
|
123 |
done
|
123 |
done
|
124 |
|
124 |
|
125 |
# ipset for exception web sites (usefull for filtered users = av_bl)
|
125 |
# ipset for exception web sites (usefull for filtered users = av_bl)
|
126 |
ipset create site_direct hash:net hashsize 1024
|
126 |
ipset create site_direct hash:net hashsize 1024
|
127 |
for site in $(cat $SITE_DIRECT)
|
127 |
for site in $(cat $SITE_DIRECT)
|
128 |
do
|
128 |
do
|
129 |
ipset add site_direct $site
|
129 |
ipset add site_direct $site
|
130 |
done
|
130 |
done
|
131 |
|
131 |
|
132 |
###### WL set ###########
|
132 |
###### WL set ###########
|
133 |
# taille fixe, car peuplé par dnsmasq / fixe length due to dnsmasq dynamic loading
|
133 |
# taille fixe, car peuplé par dnsmasq / fixe length due to dnsmasq dynamic loading
|
134 |
wl_set_length=65536
|
134 |
wl_set_length=65536
|
135 |
# Chargement Loading
|
135 |
# Chargement Loading
|
136 |
echo "create wl_ip_allowed hash:net family inet hashsize 1024 maxelem $wl_set_length" > $TMP_set_save
|
136 |
echo "create wl_ip_allowed hash:net family inet hashsize 1024 maxelem $wl_set_length" > $TMP_set_save
|
137 |
#get ip-wl files from ACC
|
137 |
#get ip-wl files from ACC
|
138 |
for category in `ls -1 $WL_IP_CAT |cut -d '@' -f1`
|
138 |
for category in `ls -1 $WL_IP_CAT |cut -d '@' -f1`
|
139 |
do
|
139 |
do
|
140 |
cat $WL_IP_CAT/$category >> $TMP_set_save
|
140 |
cat $WL_IP_CAT/$category >> $TMP_set_save
|
141 |
done
|
141 |
done
|
142 |
ipset -! restore < $TMP_set_save
|
142 |
ipset -! restore < $TMP_set_save
|
143 |
rm -f $TMP_set_save
|
143 |
rm -f $TMP_set_save
|
144 |
|
144 |
|
145 |
# Restoration des SET des utilisateurs connectés si ils existent sinon création des SET
|
145 |
# Restoration des SET des utilisateurs connectés si ils existent sinon création des SET
|
146 |
# Restoring the connected users SETs if available, otherwise creating SETs
|
146 |
# Restoring the connected users SETs if available, otherwise creating SETs
|
147 |
if [ -e $TMP_users_set_save ];
|
147 |
if [ -e $TMP_users_set_save ];
|
148 |
then
|
148 |
then
|
149 |
ipset -! restore < $TMP_users_set_save
|
149 |
ipset -! restore < $TMP_users_set_save
|
150 |
rm -f $TMP_users_set_save
|
150 |
rm -f $TMP_users_set_save
|
151 |
else
|
151 |
else
|
152 |
ipset create not_filtered hash:ip hashsize 1024
|
152 |
ipset create not_filtered hash:ip hashsize 1024
|
153 |
ipset create av hash:ip hashsize 1024
|
153 |
ipset create av hash:ip hashsize 1024
|
154 |
ipset create av_bl hash:ip hashsize 1024
|
154 |
ipset create av_bl hash:ip hashsize 1024
|
155 |
ipset create av_wl hash:ip hashsize 1024
|
155 |
ipset create av_wl hash:ip hashsize 1024
|
156 |
# pour les filtrages de protocole par utilisateur / For network protocols filtering by user
|
156 |
# pour les filtrages de protocole par utilisateur / For network protocols filtering by user
|
157 |
ipset create proto_0 hash:ip hashsize 1024
|
157 |
ipset create proto_0 hash:ip hashsize 1024
|
158 |
ipset create proto_1 hash:ip hashsize 1024
|
158 |
ipset create proto_1 hash:ip hashsize 1024
|
159 |
ipset create proto_2 hash:ip hashsize 1024
|
159 |
ipset create proto_2 hash:ip hashsize 1024
|
160 |
ipset create proto_3 hash:ip hashsize 1024
|
160 |
ipset create proto_3 hash:ip hashsize 1024
|
161 |
fi
|
161 |
fi
|
162 |
|
162 |
|
163 |
#############################
|
163 |
#############################
|
164 |
# PREROUTING #
|
164 |
# PREROUTING #
|
165 |
#############################
|
165 |
#############################
|
166 |
|
166 |
|
167 |
# 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
|
167 |
# 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
|
168 |
# Mark (and log) the direct attempts to E2guardian listen ports in order to REJECT them in INPUT rules
|
168 |
# Mark (and log) the direct attempts to E2guardian listen ports in order to REJECT them in INPUT rules
|
169 |
# 8080 = ipset av_bl
|
169 |
# 8080 = ipset av_bl
|
170 |
$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 "
|
170 |
$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 "
|
171 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp -m tcp --dport 8080 -j MARK --set-mark 1
|
171 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp -m tcp --dport 8080 -j MARK --set-mark 1
|
172 |
# 8090 = ipset av_wl + av
|
172 |
# 8090 = ipset av_wl + av
|
173 |
$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 "
|
173 |
$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 "
|
174 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp -m tcp --dport 8090 -j MARK --set-mark 2
|
174 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp -m tcp --dport 8090 -j MARK --set-mark 2
|
175 |
# 8443 = tranparent HTTPS for ipsets av_bl + av_wl + av
|
175 |
# 8443 = tranparent HTTPS for ipsets av_bl + av_wl + av (future version)
|
176 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -p tcp -d $PRIVATE_IP -m tcp --dport 8443 -j NFLOG --nflog-group 1 --nflog-prefix "RULE direct-proxy -- DENY "
|
176 |
#$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 "
|
177 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp -m tcp --dport 8443 -j MARK --set-mark 6
|
177 |
#$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp -m tcp --dport 8443 -j MARK --set-mark 6
|
178 |
|
178 |
|
179 |
# Marquage des paquets qui tentent d'accéder directement aux ports d'écoute DNS (UNBOUND) pour pouvoir les rejeter en INPUT
|
179 |
# Marquage des paquets qui tentent d'accéder directement aux ports d'écoute DNS (UNBOUND) pour pouvoir les rejeter en INPUT
|
180 |
# Mark the direct attempts to DNS ports (UNBOUND) in order to REJECT them in INPUT rules
|
180 |
# Mark the direct attempts to DNS ports (UNBOUND) in order to REJECT them in INPUT rules
|
181 |
# 54 = ipset av_bl
|
181 |
# 54 = ipset av_bl
|
182 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp --dport 54 -j MARK --set-mark 3
|
182 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp --dport 54 -j MARK --set-mark 3
|
183 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p udp --dport 54 -j MARK --set-mark 3
|
183 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p udp --dport 54 -j MARK --set-mark 3
|
184 |
# 55 = ipset av_wl
|
184 |
# 55 = ipset av_wl
|
185 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp --dport 55 -j MARK --set-mark 4
|
185 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp --dport 55 -j MARK --set-mark 4
|
186 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p udp --dport 55 -j MARK --set-mark 4
|
186 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p udp --dport 55 -j MARK --set-mark 4
|
187 |
# 56 = blackall
|
187 |
# 56 = blackall
|
188 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp --dport 56 -j MARK --set-mark 5
|
188 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p tcp --dport 56 -j MARK --set-mark 5
|
189 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p udp --dport 56 -j MARK --set-mark 5
|
189 |
$IPTABLES -A PREROUTING -t mangle -i $TUNIF -d $PRIVATE_IP -p udp --dport 56 -j MARK --set-mark 5
|
190 |
|
190 |
|
191 |
# redirection DNS des usagers
|
191 |
# redirection DNS des usagers
|
192 |
# users DNS redirection
|
192 |
# users DNS redirection
|
193 |
# 54 = ipset av_bl
|
193 |
# 54 = ipset av_bl
|
194 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -p udp --dport domain -j REDIRECT --to-port 54
|
194 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -p udp --dport domain -j REDIRECT --to-port 54
|
195 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -p tcp --dport domain -j REDIRECT --to-port 54
|
195 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -p tcp --dport domain -j REDIRECT --to-port 54
|
196 |
# 55 = ipset av_wl
|
196 |
# 55 = ipset av_wl
|
197 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -p udp --dport domain -j REDIRECT --to-port 55
|
197 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -p udp --dport domain -j REDIRECT --to-port 55
|
198 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -p tcp --dport domain -j REDIRECT --to-port 55
|
198 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -p tcp --dport domain -j REDIRECT --to-port 55
|
199 |
# 53 = all other users
|
199 |
# 53 = all other users
|
200 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF ! -d $PRIVATE_IP -p udp --dport domain -j REDIRECT --to-port 53
|
200 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF ! -d $PRIVATE_IP -p udp --dport domain -j REDIRECT --to-port 53
|
201 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF ! -d $PRIVATE_IP -p tcp --dport domain -j REDIRECT --to-port 53
|
201 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF ! -d $PRIVATE_IP -p tcp --dport domain -j REDIRECT --to-port 53
|
202 |
|
202 |
|
203 |
# Redirection des requêtes HTTP des usagers vers E2guardian
|
- |
|
204 |
# Redirect outbound users HTTP requests to E2guardian
|
- |
|
205 |
# 8080 = ipset av_bl
|
- |
|
206 |
$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
|
- |
|
207 |
# 8090 = ipset av_wl & av
|
- |
|
208 |
$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
|
- |
|
209 |
$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
|
- |
|
210 |
|
- |
|
211 |
# Redirection des requêtes HTTPS sortantes des usagers av_bl + av_wl + av vers E2Guardian
|
- |
|
212 |
# Redirect outbound HTTPS requests of av_bl + av_wl + av users to E2Guardian
|
- |
|
213 |
$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
|
- |
|
214 |
$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
|
- |
|
215 |
$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
|
- |
|
216 |
|
- |
|
217 |
# Journalisation HTTP_Internet des usagers 'av_bl' (paquets SYN uniquement). Les autres protocoles sont journalisés en FORWARD par netflow.
|
- |
|
218 |
# Log Internet HTTP of 'av_bl' users" (only syn packets). Other protocols are logged in FORWARD by netflow
|
- |
|
219 |
$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 "
|
- |
|
220 |
|
- |
|
221 |
# Redirection HTTP des usagers 'av_bl' cherchant à joindre les IP de la blacklist vers ALCASAR (page 'accès interdit')
|
203 |
# Redirection HTTP des usagers 'av_bl' cherchant à joindre les IP de la blacklist vers ALCASAR (page 'accès interdit')
|
222 |
# Redirect HTTP of 'av_bl' users who want blacklist IP to ALCASAR ('access denied' page)
|
204 |
# Redirect HTTP of 'av_bl' users who want blacklist IP to ALCASAR ('access denied' page)
|
223 |
$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
|
205 |
$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
|
224 |
|
206 |
|
225 |
# Redirection HTTP des usagers 'av_wl' cherchant à joindre les IP qui ne sont pas dans la WL vers ALCASAR (page 'accès interdit')
|
207 |
# Redirection HTTP des usagers 'av_wl' cherchant à joindre les IP qui ne sont pas dans la WL vers ALCASAR (page 'accès interdit')
|
226 |
# Redirect HTTP of 'av_wl' users who want IP not in the WL to ALCASAR ('access denied' page)
|
208 |
# Redirect HTTP of 'av_wl' users who want IP not in the WL to ALCASAR ('access denied' page)
|
227 |
$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
|
209 |
$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
|
228 |
|
210 |
|
- |
|
211 |
# Journalisation des usagers "av_bl + av_wl + av" (paquets SYN uniquement). Les autres protocoles sont journalisés en FORWARD par netflow.
|
- |
|
212 |
# accounting of "av_bl + av_wl + av" users (only syn packets). Other protocols are logged in FORWARD by netflow
|
- |
|
213 |
$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 "
|
- |
|
214 |
$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 "
|
- |
|
215 |
$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 "
|
- |
|
216 |
|
- |
|
217 |
# Redirection des requêtes HTTP des usagers "av_bl + av_wl + av" vers E2guardian
|
- |
|
218 |
# Redirect outbound "av_bl + av_wl +av" users HTTP requests to E2guardian
|
- |
|
219 |
# 8080 = ipset av_bl
|
- |
|
220 |
$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
|
- |
|
221 |
# 8090 = ipset av_wl & av
|
- |
|
222 |
$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
|
- |
|
223 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av src ! -d $PRIVATE_IP -p tcp --dport http -j REDIRECT --to-port 8090
|
- |
|
224 |
|
- |
|
225 |
# Redirection des requêtes HTTPS sortantes des usagers av_bl + av_wl + av vers E2Guardian (in a future version - don't forget to set E2guardian as a tranparent HTTPS proxy)
|
- |
|
226 |
# Redirect outbound HTTPS requests of av_bl + av_wl + av users to E2Guardian
|
- |
|
227 |
#$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_bl src -m set ! --match-set site_direct dst ! -d $PRIVATE_IP -p tcp --dport https -j REDIRECT --to-port 8443
|
- |
|
228 |
#$IPTABLES -A PREROUTING -t nat -i $TUNIF -m set --match-set av_wl src -m set ! --match-set site_direct dst ! -d $PRIVATE_IP -p tcp --dport https -j REDIRECT --to-port 8443
|
- |
|
229 |
#$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
|
- |
|
230 |
|
229 |
# Redirection des requêtes NTP vers le serveur NTP local
|
231 |
# Redirection des requêtes NTP vers le serveur NTP local
|
230 |
# Redirect NTP request in local NTP server
|
232 |
# Redirect NTP request in local NTP server
|
231 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -s $PRIVATE_NETWORK_MASK ! -d $PRIVATE_IP -p udp --dport ntp -j REDIRECT --to-port 123
|
233 |
$IPTABLES -A PREROUTING -t nat -i $TUNIF -s $PRIVATE_NETWORK_MASK ! -d $PRIVATE_IP -p udp --dport ntp -j REDIRECT --to-port 123
|
232 |
|
234 |
|
233 |
#############################
|
235 |
#############################
|
234 |
# INPUT #
|
236 |
# INPUT #
|
235 |
#############################
|
237 |
#############################
|
236 |
|
238 |
|
237 |
# Tout passe sur loopback
|
239 |
# Tout passe sur loopback
|
238 |
# accept all on loopback
|
240 |
# accept all on loopback
|
239 |
$IPTABLES -A INPUT -i lo -j ACCEPT
|
241 |
$IPTABLES -A INPUT -i lo -j ACCEPT
|
240 |
$IPTABLES -A OUTPUT -o lo -j ACCEPT
|
242 |
$IPTABLES -A OUTPUT -o lo -j ACCEPT
|
241 |
|
243 |
|
242 |
# Rejet des demandes de connexions non conformes (FIN-URG-PUSH, XMAS, NullScan, SYN-RST et NEW not SYN)
|
244 |
# Rejet des demandes de connexions non conformes (FIN-URG-PUSH, XMAS, NullScan, SYN-RST et NEW not SYN)
|
243 |
# Drop non standard connexions (FIN-URG-PUSH, XMAS, NullScan, SYN-RST et NEW not SYN)
|
245 |
# Drop non standard connexions (FIN-URG-PUSH, XMAS, NullScan, SYN-RST et NEW not SYN)
|
244 |
$IPTABLES -A INPUT -p tcp --tcp-flags FIN,URG,PSH FIN,URG,PSH -j DROP
|
246 |
$IPTABLES -A INPUT -p tcp --tcp-flags FIN,URG,PSH FIN,URG,PSH -j DROP
|
245 |
$IPTABLES -A INPUT -p tcp --tcp-flags ALL ALL -j DROP
|
247 |
$IPTABLES -A INPUT -p tcp --tcp-flags ALL ALL -j DROP
|
246 |
$IPTABLES -A INPUT -p tcp --tcp-flags ALL NONE -j DROP
|
248 |
$IPTABLES -A INPUT -p tcp --tcp-flags ALL NONE -j DROP
|
247 |
$IPTABLES -A INPUT -p tcp --tcp-flags SYN,RST SYN,RST -j DROP
|
249 |
$IPTABLES -A INPUT -p tcp --tcp-flags SYN,RST SYN,RST -j DROP
|
248 |
$IPTABLES -A INPUT -p tcp -m tcp ! --syn -m conntrack --ctstate NEW -j DROP
|
250 |
$IPTABLES -A INPUT -p tcp -m tcp ! --syn -m conntrack --ctstate NEW -j DROP
|
249 |
|
251 |
|
250 |
# Si configéré, on autorise les réponses DHCP
|
252 |
# Si configéré, on autorise les réponses DHCP
|
251 |
# Allow DHCP answers if configured
|
253 |
# Allow DHCP answers if configured
|
252 |
public_ip_mask=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2` # ALCASAR WAN IP address
|
254 |
public_ip_mask=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2` # ALCASAR WAN IP address
|
253 |
if [[ "$public_ip_mask" == "dhcp" ]]
|
255 |
if [[ "$public_ip_mask" == "dhcp" ]]
|
254 |
then
|
256 |
then
|
255 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport 68 -j ACCEPT
|
257 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport 68 -j ACCEPT
|
256 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp --dport 68 -j ACCEPT
|
258 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp --dport 68 -j ACCEPT
|
257 |
fi
|
259 |
fi
|
258 |
# On rejette les trame en broadcast et en multicast sur EXTIF (évite leur journalisation)
|
260 |
# On rejette les trame en broadcast et en multicast sur EXTIF (évite leur journalisation)
|
259 |
# Drop broadcast & multicast on EXTIF to avoid log
|
261 |
# Drop broadcast & multicast on EXTIF to avoid log
|
260 |
$IPTABLES -A INPUT -m addrtype --dst-type BROADCAST,MULTICAST -j DROP
|
262 |
$IPTABLES -A INPUT -m addrtype --dst-type BROADCAST,MULTICAST -j DROP
|
261 |
|
263 |
|
262 |
# On autorise les retours de connexions légitimes par INPUT
|
264 |
# On autorise les retours de connexions légitimes par INPUT
|
263 |
# Conntrack on INPUT
|
265 |
# Conntrack on INPUT
|
264 |
$IPTABLES -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
|
266 |
$IPTABLES -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
|
265 |
|
267 |
|
266 |
# On interdit les connexions directes aux ports d'écoute d'E2Guardian. Les packets concernés ont été marqués et loggués dans la table mangle (PREROUTING)
|
268 |
# On interdit les connexions directes aux ports d'écoute d'E2Guardian. Les packets concernés ont été marqués et loggués dans la table mangle (PREROUTING)
|
267 |
# Deny direct connections on E2Guardian listen ports. The concerned paquets have been marked and logged in mangle table (PREROUTING)
|
269 |
# Deny direct connections on E2Guardian listen ports. The concerned paquets have been marked and logged in mangle table (PREROUTING)
|
268 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 8080 -m mark --mark 1 -j REJECT --reject-with tcp-reset # av_bl
|
270 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 8080 -m mark --mark 1 -j REJECT --reject-with tcp-reset # av_bl
|
269 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 8090 -m mark --mark 2 -j REJECT --reject-with tcp-reset # av_wl + av
|
271 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 8090 -m mark --mark 2 -j REJECT --reject-with tcp-reset # av_wl + av
|
270 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 8443 -m mark --mark 6 -j REJECT --reject-with tcp-reset # av_bl + av_wl + av
|
272 |
#$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)
|
271 |
|
273 |
|
272 |
# On autorise les connexions HTTP/HTTPS légitimes vers E2Guardian
|
274 |
# On autorise les connexions HTTP/HTTPS légitimes vers E2Guardian
|
273 |
# Allow HTTP connections to E2Guardian
|
275 |
# Allow HTTP connections to E2Guardian
|
274 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -p tcp --dport 8080 -m conntrack --ctstate NEW --syn -j ACCEPT
|
276 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -p tcp --dport 8080 -m conntrack --ctstate NEW --syn -j ACCEPT
|
275 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -p tcp --dport 8090 -m conntrack --ctstate NEW --syn -j ACCEPT
|
277 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -p tcp --dport 8090 -m conntrack --ctstate NEW --syn -j ACCEPT
|
276 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -p tcp --dport 8443 -m conntrack --ctstate NEW --syn -j ACCEPT
|
278 |
#$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -p tcp --dport 8443 -m conntrack --ctstate NEW --syn -j ACCEPT # (future version)
|
277 |
|
279 |
|
278 |
# On interdit les connexions directes aux ports d'écoupe DNS (UNBOUND). Les packets concernés ont été marqués dans la table mangle (PREROUTING)
|
280 |
# On interdit les connexions directes aux ports d'écoupe DNS (UNBOUND). Les packets concernés ont été marqués dans la table mangle (PREROUTING)
|
279 |
# Deny direct connections to DNS ports (UNBOUND). The concerned paquets are marked in mangle table (PREROUTING)
|
281 |
# Deny direct connections to DNS ports (UNBOUND). The concerned paquets are marked in mangle table (PREROUTING)
|
280 |
$IPTABLES -A INPUT -i $TUNIF -p udp --dport 54 -m mark --mark 3 -j REJECT --reject-with icmp-port-unreachable
|
282 |
$IPTABLES -A INPUT -i $TUNIF -p udp --dport 54 -m mark --mark 3 -j REJECT --reject-with icmp-port-unreachable
|
281 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 54 -m mark --mark 3 -j REJECT --reject-with tcp-reset
|
283 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 54 -m mark --mark 3 -j REJECT --reject-with tcp-reset
|
282 |
$IPTABLES -A INPUT -i $TUNIF -p udp --dport 55 -m mark --mark 4 -j REJECT --reject-with icmp-port-unreachable
|
284 |
$IPTABLES -A INPUT -i $TUNIF -p udp --dport 55 -m mark --mark 4 -j REJECT --reject-with icmp-port-unreachable
|
283 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 55 -m mark --mark 4 -j REJECT --reject-with tcp-reset
|
285 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 55 -m mark --mark 4 -j REJECT --reject-with tcp-reset
|
284 |
$IPTABLES -A INPUT -i $TUNIF -p udp --dport 56 -m mark --mark 5 -j REJECT --reject-with icmp-port-unreachable
|
286 |
$IPTABLES -A INPUT -i $TUNIF -p udp --dport 56 -m mark --mark 5 -j REJECT --reject-with icmp-port-unreachable
|
285 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 56 -m mark --mark 5 -j REJECT --reject-with tcp-reset
|
287 |
$IPTABLES -A INPUT -i $TUNIF -p tcp --dport 56 -m mark --mark 5 -j REJECT --reject-with tcp-reset
|
286 |
|
288 |
|
287 |
# On autorise les connexion DNS légitime
|
289 |
# On autorise les connexion DNS légitime
|
288 |
# Allow DNS connections
|
290 |
# Allow DNS connections
|
289 |
# ipset = av_bl
|
291 |
# ipset = av_bl
|
290 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport 54 -j ACCEPT
|
292 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport 54 -j ACCEPT
|
291 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 54 -j ACCEPT
|
293 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 54 -j ACCEPT
|
292 |
# ipset = av_wl
|
294 |
# ipset = av_wl
|
293 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport 55 -j ACCEPT
|
295 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport 55 -j ACCEPT
|
294 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 55 -j ACCEPT
|
296 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 55 -j ACCEPT
|
295 |
# blackall
|
297 |
# blackall
|
296 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport 56 -j ACCEPT
|
298 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport 56 -j ACCEPT
|
297 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 56 -j ACCEPT
|
299 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport 56 -j ACCEPT
|
298 |
|
300 |
|
299 |
# On accepte l'accès aux services internes
|
301 |
# On accepte l'accès aux services internes
|
300 |
# Internal services access
|
302 |
# Internal services access
|
301 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport domain -j ACCEPT # DNS
|
303 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p udp --dport domain -j ACCEPT # DNS
|
302 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport domain -j ACCEPT # DNS
|
304 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport domain -j ACCEPT # DNS
|
303 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p icmp --icmp-type 8 -j ACCEPT # Réponse ping # ping responce
|
305 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p icmp --icmp-type 8 -j ACCEPT # Réponse ping # ping responce
|
304 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p icmp --icmp-type 0 -j ACCEPT # Requête ping # ping request
|
306 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p icmp --icmp-type 0 -j ACCEPT # Requête ping # ping request
|
305 |
$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
|
307 |
$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
|
306 |
$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
|
308 |
$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
|
307 |
$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
|
309 |
$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
|
308 |
$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
|
310 |
$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
|
309 |
|
311 |
|
310 |
# Accès au serveur SSHD si activé
|
312 |
# Accès au serveur SSHD si activé
|
311 |
# SSHD server access if enabled
|
313 |
# SSHD server access if enabled
|
312 |
if [ $SSH = on ]
|
314 |
if [ $SSH = on ]
|
313 |
then
|
315 |
then
|
314 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport ssh -m conntrack --ctstate NEW -j NFLOG --nflog-group 2 --nflog-prefix "RULE ssh-from-LAN -- ACCEPT"
|
316 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport ssh -m conntrack --ctstate NEW -j NFLOG --nflog-group 2 --nflog-prefix "RULE ssh-from-LAN -- ACCEPT"
|
315 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport ssh -j ACCEPT
|
317 |
$IPTABLES -A INPUT -i $TUNIF -s $PRIVATE_NETWORK_MASK -d $PRIVATE_IP -p tcp --dport ssh -j ACCEPT
|
316 |
$IPTABLES -A INPUT -i $EXTIF -s $SSH_ADMIN_FROM -d $PUBLIC_IP -p tcp --dport ssh -m conntrack --ctstate NEW --syn -j NFLOG --nflog-group 2 --nflog-prefix "RULE ssh-from-WAN -- ACCEPT"
|
318 |
$IPTABLES -A INPUT -i $EXTIF -s $SSH_ADMIN_FROM -d $PUBLIC_IP -p tcp --dport ssh -m conntrack --ctstate NEW --syn -j NFLOG --nflog-group 2 --nflog-prefix "RULE ssh-from-WAN -- ACCEPT"
|
317 |
$IPTABLES -A INPUT -i $EXTIF -s $SSH_ADMIN_FROM -d $PUBLIC_IP -p tcp --dport ssh -m conntrack --ctstate NEW -j ACCEPT
|
319 |
$IPTABLES -A INPUT -i $EXTIF -s $SSH_ADMIN_FROM -d $PUBLIC_IP -p tcp --dport ssh -m conntrack --ctstate NEW -j ACCEPT
|
318 |
fi
|
320 |
fi
|
319 |
|
321 |
|
320 |
# Insertion de règles locales
|
322 |
# Insertion de règles locales
|
321 |
# Here, we add local rules (i.e. VPN from Internet)
|
323 |
# Here, we add local rules (i.e. VPN from Internet)
|
322 |
if [ -f /usr/local/etc/alcasar-iptables-local.sh ]; then
|
324 |
if [ -f /usr/local/etc/alcasar-iptables-local.sh ]; then
|
323 |
. /usr/local/etc/alcasar-iptables-local.sh
|
325 |
. /usr/local/etc/alcasar-iptables-local.sh
|
324 |
fi
|
326 |
fi
|
325 |
|
327 |
|
326 |
# Journalisation et rejet des connexions (autres que celles autorisées) effectuées depuis le LAN
|
328 |
# Journalisation et rejet des connexions (autres que celles autorisées) effectuées depuis le LAN
|
327 |
# Deny and log on INPUT from the LAN
|
329 |
# Deny and log on INPUT from the LAN
|
328 |
$IPTABLES -A INPUT -i $TUNIF -m conntrack --ctstate NEW -j NFLOG --nflog-group 1 --nflog-prefix "RULE rej-int -- REJECT "
|
330 |
$IPTABLES -A INPUT -i $TUNIF -m conntrack --ctstate NEW -j NFLOG --nflog-group 3 --nflog-prefix "RULE rej-int -- REJECT "
|
329 |
$IPTABLES -A INPUT -i $TUNIF -p tcp -j REJECT --reject-with tcp-reset
|
331 |
$IPTABLES -A INPUT -i $TUNIF -p tcp -j REJECT --reject-with tcp-reset
|
330 |
$IPTABLES -A INPUT -i $TUNIF -p udp -j REJECT --reject-with icmp-port-unreachable
|
332 |
$IPTABLES -A INPUT -i $TUNIF -p udp -j REJECT --reject-with icmp-port-unreachable
|
331 |
|
333 |
|
332 |
# Interdiction d'accès à INTIF (n'est utile que lorsque chilli est arrêté).
|
334 |
# Interdiction d'accès à INTIF (n'est utile que lorsque chilli est arrêté).
|
333 |
# Reject INTIF access (only when chilli is down)
|
335 |
# Reject INTIF access (only when chilli is down)
|
334 |
$IPTABLES -A INPUT -i $INTIF -j NFLOG --nflog-group 1 --nflog-prefix "RULE Protect1 -- REJECT "
|
336 |
$IPTABLES -A INPUT -i $INTIF -j NFLOG --nflog-group 3 --nflog-prefix "RULE Protect1 -- REJECT "
|
335 |
$IPTABLES -A INPUT -i $INTIF -j REJECT
|
337 |
$IPTABLES -A INPUT -i $INTIF -j REJECT
|
336 |
|
338 |
|
337 |
# Journalisation et rejet des connexions initiées depuis le réseau extérieur (test des effets du paramètre --limit en cours)
|
339 |
# Journalisation et rejet des connexions initiées depuis le réseau extérieur (test des effets du paramètre --limit en cours)
|
338 |
# On EXTIF, the access attempts are log in channel 2 (we should test --limit option to avoid deny of service)
|
340 |
# On EXTIF, the access attempts are log in channel 2 (we should test --limit option to avoid deny of service)
|
339 |
$IPTABLES -A INPUT -i $EXTIF -m conntrack --ctstate NEW -j NFLOG --nflog-group 3 --nflog-threshold 10 --nflog-prefix "RULE rej-ext -- DROP"
|
341 |
$IPTABLES -A INPUT -i $EXTIF -m conntrack --ctstate NEW -j NFLOG --nflog-group 3 --nflog-threshold 10 --nflog-prefix "RULE rej-ext -- DROP"
|
340 |
|
342 |
|
341 |
#############################
|
343 |
#############################
|
342 |
# FORWARD #
|
344 |
# FORWARD #
|
343 |
#############################
|
345 |
#############################
|
344 |
|
346 |
|
345 |
# Blocage des IPs du SET bl_ip_blocked pour le SET av_bl
|
347 |
# Blocage des IPs du SET bl_ip_blocked pour le SET av_bl
|
346 |
# Deny IPs of the SET bl_ip_blocked for the set av_bl
|
348 |
# Deny IPs of the SET bl_ip_blocked for the set av_bl
|
347 |
$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
|
349 |
$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
|
348 |
$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
|
350 |
$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
|
349 |
$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
|
351 |
$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
|
350 |
|
352 |
|
351 |
# Active le suivi de session
|
353 |
# Active le suivi de session
|
352 |
# Allow Conntrack
|
354 |
# Allow Conntrack
|
353 |
$IPTABLES -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
|
355 |
$IPTABLES -A FORWARD -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
|
354 |
|
356 |
|
355 |
# Compute uamallowed IP (ie : IP address of equipments connected between ALCASAR and router like DMZ, own servers, etc.)
|
357 |
# Compute uamallowed IP (ie : IP address of equipments connected between ALCASAR and router like DMZ, own servers, etc.)
|
356 |
nb_uamallowed=`wc -l /usr/local/etc/alcasar-uamallowed | cut -d" " -f1`
|
358 |
nb_uamallowed=`wc -l /usr/local/etc/alcasar-uamallowed | cut -d" " -f1`
|
357 |
if [ $nb_uamallowed != "0" ]
|
359 |
if [ $nb_uamallowed != "0" ]
|
358 |
then
|
360 |
then
|
359 |
while read ip_allowed_line
|
361 |
while read ip_allowed_line
|
360 |
do
|
362 |
do
|
361 |
ip_allowed=`echo $ip_allowed_line|cut -d"\"" -f2`
|
363 |
ip_allowed=`echo $ip_allowed_line|cut -d"\"" -f2`
|
362 |
$IPTABLES -A FORWARD -i $TUNIF -d $ip_allowed -m conntrack --ctstate NEW -j NETFLOW
|
364 |
$IPTABLES -A FORWARD -i $TUNIF -d $ip_allowed -m conntrack --ctstate NEW -j NETFLOW
|
363 |
$IPTABLES -A FORWARD -i $TUNIF -d $ip_allowed -m conntrack --ctstate NEW -j ACCEPT
|
365 |
$IPTABLES -A FORWARD -i $TUNIF -d $ip_allowed -m conntrack --ctstate NEW -j ACCEPT
|
364 |
done < /usr/local/etc/alcasar-uamallowed
|
366 |
done < /usr/local/etc/alcasar-uamallowed
|
365 |
fi
|
367 |
fi
|
366 |
|
368 |
|
367 |
# filtrage protocole par utilisateur (profile 1 : http, https)
|
369 |
# filtrage protocole par utilisateur (profile 1 : http, https)
|
368 |
# protocols filtering for users (profil 1 : http, https)
|
370 |
# protocols filtering for users (profil 1 : http, https)
|
369 |
$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
|
371 |
$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
|
370 |
$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
|
372 |
$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
|
371 |
|
373 |
|
372 |
# filtrage protocole par utilisateur (profile 2 : http https pop3 pop3s imap imaps ftp sftp ssh)
|
374 |
# filtrage protocole par utilisateur (profile 2 : http https pop3 pop3s imap imaps ftp sftp ssh)
|
373 |
# protocols filtering for users (profil 2 : http https pop3 pop3s imap imaps ftp sftp ssh)
|
375 |
# protocols filtering for users (profil 2 : http https pop3 pop3s imap imaps ftp sftp ssh)
|
374 |
|
376 |
|
375 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_2 src -s $PRIVATE_NETWORK_MASK -p tcp -m multiport ! --dports http,https,pop3,pop3s,imap,imaps,ftp,ftp-data,sftp,ssh -m conntrack --ctstate NEW -j REJECT --reject-with tcp-reset
|
377 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_2 src -s $PRIVATE_NETWORK_MASK -p tcp -m multiport ! --dports http,https,pop3,pop3s,imap,imaps,ftp,ftp-data,sftp,ssh -m conntrack --ctstate NEW -j REJECT --reject-with tcp-reset
|
376 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_2 src -s $PRIVATE_NETWORK_MASK -p udp -m multiport ! --dports http,https,pop3,pop3s,imap,imaps,ssh -m conntrack --ctstate NEW -j REJECT --reject-with icmp-port-unreachable
|
378 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_2 src -s $PRIVATE_NETWORK_MASK -p udp -m multiport ! --dports http,https,pop3,pop3s,imap,imaps,ssh -m conntrack --ctstate NEW -j REJECT --reject-with icmp-port-unreachable
|
377 |
|
379 |
|
378 |
# filtrage protocole par utilisateur (profile 3 : personnalisable via l'ACC)
|
380 |
# filtrage protocole par utilisateur (profile 3 : personnalisable via l'ACC)
|
379 |
# protocols filtering for users (profil 3 : customized with ACC)
|
381 |
# protocols filtering for users (profil 3 : customized with ACC)
|
380 |
custom_tcp_protocols_list='';custom_udp_protocols_list=''
|
382 |
custom_tcp_protocols_list='';custom_udp_protocols_list=''
|
381 |
while read svc_line
|
383 |
while read svc_line
|
382 |
do
|
384 |
do
|
383 |
svc_on=`echo $svc_line|cut -b1`
|
385 |
svc_on=`echo $svc_line|cut -b1`
|
384 |
if [ $svc_on != "#" ]
|
386 |
if [ $svc_on != "#" ]
|
385 |
then
|
387 |
then
|
386 |
svc_name=`echo $svc_line|cut -d" " -f1`
|
388 |
svc_name=`echo $svc_line|cut -d" " -f1`
|
387 |
svc_port=`echo $svc_line|cut -d" " -f2`
|
389 |
svc_port=`echo $svc_line|cut -d" " -f2`
|
388 |
if [ $svc_name = "icmp" ]
|
390 |
if [ $svc_name = "icmp" ]
|
389 |
then
|
391 |
then
|
390 |
svc_icmp="on"
|
392 |
svc_icmp="on"
|
391 |
else
|
393 |
else
|
392 |
if [ "$custom_tcp_protocols_list" == "" ]
|
394 |
if [ "$custom_tcp_protocols_list" == "" ]
|
393 |
then
|
395 |
then
|
394 |
custom_tcp_protocols_list=$svc_port
|
396 |
custom_tcp_protocols_list=$svc_port
|
395 |
else
|
397 |
else
|
396 |
custom_tcp_protocols_list=`echo $custom_tcp_protocols_list","$svc_port`
|
398 |
custom_tcp_protocols_list=`echo $custom_tcp_protocols_list","$svc_port`
|
397 |
fi
|
399 |
fi
|
398 |
udp_svc=`egrep "[[:space:]]$svc_port/udp" /etc/services|wc -l`
|
400 |
udp_svc=`egrep "[[:space:]]$svc_port/udp" /etc/services|wc -l`
|
399 |
if [ $udp_svc = "1" ] # udp service exist
|
401 |
if [ $udp_svc = "1" ] # udp service exist
|
400 |
then
|
402 |
then
|
401 |
if [ "$custom_udp_protocols_list" == "" ]
|
403 |
if [ "$custom_udp_protocols_list" == "" ]
|
402 |
then
|
404 |
then
|
403 |
custom_udp_protocols_list=$svc_port
|
405 |
custom_udp_protocols_list=$svc_port
|
404 |
else
|
406 |
else
|
405 |
custom_udp_protocols_list=`echo $custom_udp_protocols_list","$svc_port`
|
407 |
custom_udp_protocols_list=`echo $custom_udp_protocols_list","$svc_port`
|
406 |
fi
|
408 |
fi
|
407 |
fi
|
409 |
fi
|
408 |
fi
|
410 |
fi
|
409 |
fi
|
411 |
fi
|
410 |
done < /usr/local/etc/alcasar-services
|
412 |
done < /usr/local/etc/alcasar-services
|
411 |
if [ "$custom_tcp_protocols_list" == "" ]
|
413 |
if [ "$custom_tcp_protocols_list" == "" ]
|
412 |
then
|
414 |
then
|
413 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_3 src -s $PRIVATE_NETWORK_MASK -j REJECT
|
415 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set proto_3 src -s $PRIVATE_NETWORK_MASK -j REJECT
|
414 |
else
|
416 |
else
|
415 |
if [ "$svc_icmp" != "on" ]
|
417 |
if [ "$svc_icmp" != "on" ]
|
416 |
then
|
418 |
then
|
417 |
$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
|
419 |
$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
|
418 |
fi
|
420 |
fi
|
419 |
$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
|
421 |
$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
|
420 |
$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
|
422 |
$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
|
421 |
fi
|
423 |
fi
|
422 |
|
424 |
|
423 |
# Blocage des usagers 'av_wl' cherchant à joindre les IP qui ne sont pas dans la WL
|
425 |
# Blocage des usagers 'av_wl' cherchant à joindre les IP qui ne sont pas dans la WL
|
424 |
# Block 'av_wl' users who want IP not in the WL
|
426 |
# Block 'av_wl' users who want IP not in the WL
|
425 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set av_wl src -m set ! --match-set wl_ip_allowed dst -j DROP
|
427 |
$IPTABLES -A FORWARD -i $TUNIF -m set --match-set av_wl src -m set ! --match-set wl_ip_allowed dst -j DROP
|
426 |
|
428 |
|
427 |
# journalisation et autorisation des connections sortant du LAN
|
429 |
# journalisation et autorisation des connections sortant du LAN
|
428 |
# Allow forward connections with log
|
430 |
# Allow forward connections with log
|
429 |
$IPTABLES -A FORWARD -i $TUNIF -s $PRIVATE_NETWORK_MASK -m conntrack --ctstate NEW -j NETFLOW
|
431 |
$IPTABLES -A FORWARD -i $TUNIF -s $PRIVATE_NETWORK_MASK -m conntrack --ctstate NEW -j NETFLOW
|
430 |
$IPTABLES -A FORWARD -i $TUNIF -s $PRIVATE_NETWORK_MASK -m conntrack --ctstate NEW -j ACCEPT
|
432 |
$IPTABLES -A FORWARD -i $TUNIF -s $PRIVATE_NETWORK_MASK -m conntrack --ctstate NEW -j ACCEPT
|
431 |
|
433 |
|
432 |
#############################
|
434 |
#############################
|
433 |
# OUTPUT #
|
435 |
# OUTPUT #
|
434 |
#############################
|
436 |
#############################
|
435 |
# On laisse tout sortir à l'exception de la carte externe (cf ci-dessous)
|
437 |
# On laisse tout sortir sur la carte interne (voir les règles suivantes pour la carte externe)
|
436 |
# Everything is allowed apart from outside network interface (see bellow)
|
438 |
# We let everything out on INTIF (see following rules for the EXTIF)
|
437 |
$IPTABLES -A OUTPUT ! -o $EXTIF -j ACCEPT
|
439 |
$IPTABLES -A OUTPUT ! -o $EXTIF -j ACCEPT
|
438 |
|
440 |
|
439 |
# Si configuré, on autorise les requêtes DHCP
|
441 |
# Si configuré, on autorise les requêtes DHCP
|
440 |
# Allow DHCP requests if configured
|
442 |
# Allow DHCP requests if configured
|
441 |
public_ip_mask=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2` # ALCASAR WAN IP address
|
443 |
public_ip_mask=`grep ^PUBLIC_IP= $CONF_FILE|cut -d"=" -f2` # ALCASAR WAN IP address
|
442 |
if [[ "$public_ip_mask" == "dhcp" ]]
|
444 |
if [[ "$public_ip_mask" == "dhcp" ]]
|
443 |
then
|
445 |
then
|
444 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport 67 -j ACCEPT
|
446 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport 67 -j ACCEPT
|
445 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp --dport 67 -j ACCEPT
|
447 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp --dport 67 -j ACCEPT
|
446 |
fi
|
448 |
fi
|
447 |
|
449 |
|
448 |
# On autorise les requêtes DNS vers les serveurs DNS identifiés
|
450 |
# On autorise les requêtes DNS vers les serveurs DNS identifiés
|
449 |
# Allow DNS requests to identified DNS servers
|
451 |
# Allow DNS requests to identified DNS servers
|
450 |
$IPTABLES -A OUTPUT -o $EXTIF -d $DNSSERVERS -p udp --dport domain -m conntrack --ctstate NEW -j ACCEPT
|
452 |
$IPTABLES -A OUTPUT -o $EXTIF -d $DNSSERVERS -p udp --dport domain -m conntrack --ctstate NEW -j ACCEPT
|
451 |
|
453 |
|
452 |
# On autorise les requêtes HTTP avec log Netflow (en provenance de E2guardian)
|
454 |
# On autorise les requêtes HTTP et HTTPS avec log Netflow (en provenance de E2guardian)
|
453 |
# HTTP requests are allowed with netflow log (from E2guardian)
|
455 |
# HTTP & HTTPS requests are allowed with netflow log (from E2guardian)
|
454 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport http -j NETFLOW
|
456 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport http -j NETFLOW
|
455 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport http -j ACCEPT
|
457 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport http -j ACCEPT
|
456 |
|
- |
|
457 |
# On autorise les requêtes HTTPS sortantes
|
458 |
#$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport https -j NETFLOW # When E2guardian will be in HTTPS transparent proxy)
|
458 |
# HTTPS requests are allowed
|
- |
|
459 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport https -j ACCEPT
|
459 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport https -j ACCEPT
|
460 |
|
460 |
|
461 |
# On autorise les requêtes RSYNC sortantes (maj BL de Toulouse)
|
461 |
# On autorise les requêtes RSYNC sortantes (maj BL de Toulouse)
|
462 |
# RSYNC requests are allowed (update of Toulouse BL)
|
462 |
# RSYNC requests are allowed (update of Toulouse BL)
|
463 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport rsync -j ACCEPT
|
463 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport rsync -j ACCEPT
|
464 |
|
464 |
|
465 |
# On autorise les requêtes FTP
|
465 |
# On autorise les requêtes FTP
|
466 |
# FTP requests are allowed
|
466 |
# FTP requests are allowed
|
467 |
modprobe nf_conntrack_ftp
|
467 |
modprobe nf_conntrack_ftp
|
468 |
$IPTABLES -t raw -A OUTPUT -p tcp --dport ftp -j CT --helper ftp
|
468 |
$IPTABLES -t raw -A OUTPUT -p tcp --dport ftp -j CT --helper ftp
|
469 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport ftp -j ACCEPT
|
469 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp --dport ftp -j ACCEPT
|
470 |
$IPTABLES -A OUTPUT -o $EXTIF -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
|
470 |
$IPTABLES -A OUTPUT -o $EXTIF -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
|
471 |
|
471 |
|
472 |
# On autorise les requêtes NTP
|
472 |
# On autorise les requêtes NTP
|
473 |
# NTP requests are allowed
|
473 |
# NTP requests are allowed
|
474 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp --dport ntp -j ACCEPT
|
474 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp --dport ntp -j ACCEPT
|
475 |
|
475 |
|
476 |
# On autorise les requêtes ICMP (ping)
|
476 |
# On autorise les requêtes ICMP (ping)
|
477 |
# ICMP (ping) requests are allowed
|
477 |
# ICMP (ping) requests are allowed
|
478 |
$IPTABLES -A OUTPUT -o $EXTIF -p icmp --icmp-type 8 -j ACCEPT
|
478 |
$IPTABLES -A OUTPUT -o $EXTIF -p icmp --icmp-type 8 -j ACCEPT
|
479 |
|
479 |
|
480 |
# On autorise les requêtes LDAP
|
480 |
# On autorise les requêtes LDAP
|
481 |
# LDAP requests are allowed
|
481 |
# LDAP requests are allowed
|
482 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp -m multiport --dports ldap,ldaps -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
|
482 |
$IPTABLES -A OUTPUT -o $EXTIF -p tcp -m multiport --dports ldap,ldaps -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
|
483 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp -m multiport --dports ldap,ldaps -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
|
483 |
$IPTABLES -A OUTPUT -o $EXTIF -p udp -m multiport --dports ldap,ldaps -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
|
484 |
|
484 |
|
485 |
#############################
|
485 |
#############################
|
486 |
# POSTROUTING #
|
486 |
# POSTROUTING #
|
487 |
#############################
|
487 |
#############################
|
488 |
# Traduction dynamique d'adresse en sortie
|
488 |
# Traduction dynamique d'adresse en sortie
|
489 |
# Dynamic NAT on EXTIF
|
489 |
# Dynamic NAT on EXTIF
|
490 |
$IPTABLES -A POSTROUTING -t nat -o $EXTIF -j MASQUERADE
|
490 |
$IPTABLES -A POSTROUTING -t nat -o $EXTIF -j MASQUERADE
|
491 |
|
491 |
|
492 |
#############################
|
492 |
#############################
|
493 |
# FAIL2BAN #
|
493 |
# FAIL2BAN #
|
494 |
#############################
|
494 |
#############################
|
495 |
# Reload Fail2Ban
|
495 |
# Reload Fail2Ban
|
496 |
if systemctl -q is-active fail2ban; then
|
496 |
if systemctl -q is-active fail2ban; then
|
497 |
/usr/bin/fail2ban-client ping &>/dev/null && /usr/bin/fail2ban-client -q reload
|
497 |
/usr/bin/fail2ban-client ping &>/dev/null && /usr/bin/fail2ban-client -q reload
|
498 |
fi
|
498 |
fi
|
499 |
|
499 |
|