Subversion Repositories ALCASAR

Rev

Rev 1627 | Rev 2355 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log

Rev Author Line No. Line
652 richard 1
#!/bin/sh
826 franck 2
# $Id: alcasar-iptables-local.sh 1829 2016-04-19 22:14:42Z richard $
652 richard 3
# script de mise en place des regles personnalisées du parefeu d'Alcasar 
4
# Rexy - 3abtux - CPN
1829 richard 5
# version 2.2 (04/2016)
652 richard 6
# changelog :
1829 richard 7
#	+ example to allow ICMP from an Internet IP address (Admin_from) to EXTIF
8
#	+ exemple to allow SMTP from aLCASAR to an Internet server (SMTP_IP)
9
#	+ exemple of PAT rules from Internet
10
# 	+ List of local MAC addresses filtered (MAC are in '/usr/local/etc/alcasar-iptables-local-mac-filtered'. Format : aa:09:23:2f:4d:ee)
11
# this script inherit of alcasar-iptables.sh variables : $INTIF, $EXTIF, $IPTABLES, etc
12
# Local MAC addresses filtering 
13
if [ -s /usr/local/etc/alcasar-iptables-local-mac-filtered ]; then
1579 richard 14
	  while read mac_line
15
	  do
16
		  ip_on=`echo $mac_line|cut -b1`
17
		  if [ $ip_on != "#" ]
18
		  then
19
			  mac_filtered=`echo $mac_line|cut -d" " -f1`
20
			  echo "MAC filtered = $mac_filtered"
21
			  $IPTABLES -A FORWARD -i $INTIF -m mac --mac-source $mac_filtered -j ULOG --ulog-prefix "$mac_filtered -- Filt_DROP"
22
			  $IPTABLES -A FORWARD -i $INTIF -p tcp -m mac --mac-source $mac_filtered -j DROP
23
			  $IPTABLES -A FORWARD -i $INTIF -p udp -m mac --mac-source $mac_filtered -j DROP
24
			  $IPTABLES -A FORWARD -i $INTIF  -m mac --mac-source $mac_filtered -j DROP
25
		  fi
1829 richard 26
	  done < /usr/local/etc/alcasar-iptables-local-mac-filtered
1522 franck 27
fi
652 richard 28
 
29
# On autorise le ping (echo & request) (icmp N°0 & 8) en provenance de l'extérieur vers ALCASAR
870 richard 30
# ping (echo & request) (icmp N°0 & 8) is allowed on EXTIF
652 richard 31
#$IPTABLES -A INPUT -i $EXTIF -s $Admin_from_IP -p icmp --icmp-type 8 -j ACCEPT
32
#$IPTABLES -A OUTPUT -o $EXTIF -d $Admin_from_IP -p icmp --icmp-type 0 -j ACCEPT
33
 
34
# On autorise l'accès à un serveur MAIL (SMTP) pour l'envoie de rapports, alertes (logwatch, etc.)
759 franck 35
#SMTP_IP=0.0.0.0			# renseigner l'@IP du serveur SMTP
652 richard 36
#$IPTABLES -A OUTPUT -p tcp -d $SMTP_IP --dport smtp -m state --state NEW,ESTABLISHED -j ACCEPT
37
#$IPTABLES -A INPUT  -p tcp -s $SMTP_IP --sport smtp -m state --state ESTABLISHED -j ACCEPT
38
 
1522 franck 39
# On autorise du PAT (Port Adresse Translation) afin de pouvoir joindre des équipements du LAN depuis Internet
40
#m_ports=5000,5001
41
#to_ip=192.168.182.3
1618 franck 42
#$IPTABLES -A PREROUTING -i $EXTIF -t nat -p tcp -d $PUBLIC_IP -m multiport --dports $m_ports -j DNAT --to $to_ip
43
#$IPTABLES -A FORWARD -i $EXTIF -p tcp -d $to_ip -m multiport --dports $m_ports -j ACCEPT
1627 franck 44
#$IPTABLES -A FORWARD -o $EXTIF -p tcp -s $to_ip -m multiport --sports $m_ports -j ACCEPT
652 richard 45
 
46
# Fin du script des règles du parefeu
47