2,19 → 2,15 |
# $Id$ |
# script de mise en place des regles personnalisées du parefeu d'Alcasar |
# Rexy - 3abtux - CPN |
# version 2.1 (12/2014) |
# version 2.2 (04/2016) |
# changelog : |
# + autorisation de l'ICMP vers EXTIF |
# + autorisation SMTP vers serveur extérieur (SMTP_IP) |
# + autorisation PAT depuis l'extérieur |
# List of MAC filtered in /usr/local/etc/alcasar-iptables-local-filtered ; format : aa:09:23:2f:4d:ee |
|
CONF_FILE="/usr/local/etc/alcasar.conf" |
EXTIF=`grep ^EXTIF= $CONF_FILE|cut -d"=" -f2` # EXTernal InterFace |
INTIF=`grep ^INTIF= $CONF_FILE|cut -d"=" -f2` # INTernal InterFace |
|
# filtrage particulier ciblés |
if [ -s /usr/local/etc/alcasar-iptables-local-filtered ]; then |
# + example to allow ICMP from an Internet IP address (Admin_from) to EXTIF |
# + exemple to allow SMTP from aLCASAR to an Internet server (SMTP_IP) |
# + exemple of PAT rules from Internet |
# + List of local MAC addresses filtered (MAC are in '/usr/local/etc/alcasar-iptables-local-mac-filtered'. Format : aa:09:23:2f:4d:ee) |
# this script inherit of alcasar-iptables.sh variables : $INTIF, $EXTIF, $IPTABLES, etc |
# Local MAC addresses filtering |
if [ -s /usr/local/etc/alcasar-iptables-local-mac-filtered ]; then |
while read mac_line |
do |
ip_on=`echo $mac_line|cut -b1` |
27,7 → 23,7 |
$IPTABLES -A FORWARD -i $INTIF -p udp -m mac --mac-source $mac_filtered -j DROP |
$IPTABLES -A FORWARD -i $INTIF -m mac --mac-source $mac_filtered -j DROP |
fi |
done < /usr/local/etc/alcasar-iptables-local-filtered |
done < /usr/local/etc/alcasar-iptables-local-mac-filtered |
fi |
|
# On autorise le ping (echo & request) (icmp N°0 & 8) en provenance de l'extérieur vers ALCASAR |