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#!/bin/sh
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#!/bin/sh
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#
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#
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# $Id: alcasar-iptables-local.sh 2833 2020-06-14 10:13:18Z rexy $
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# $Id: alcasar-iptables-local.sh 2854 2020-07-20 22:08:05Z rexy $
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#
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#
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# Custom rules for ALCASAR firewall
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# Custom rules for ALCASAR firewall
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#
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#
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# Examples:
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# Examples:
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# - Local MAC addresses filtering (MAC are in '/usr/local/etc/alcasar-iptables-local-mac-filtered'. Format : aa:09:23:2f:4d:ee)
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# - Local MAC addresses filtering (MAC are in '/usr/local/etc/alcasar-iptables-local-mac-filtered'. Format : aa:09:23:2f:4d:ee)
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$IPTABLES -A FORWARD -i $INTIF -m mac --mac-source $mac_filtered -j DROP
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$IPTABLES -A FORWARD -i $INTIF -m mac --mac-source $mac_filtered -j DROP
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fi
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fi
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done < /usr/local/etc/alcasar-iptables-local-mac-filtered
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done < /usr/local/etc/alcasar-iptables-local-mac-filtered
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fi
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fi
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# On autorise le ping (echo & request) (ICMP N°0 & 8) en provenance de l'extérieur vers ALCASAR
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# On autorise le ping (echo & request) (ICMP N°0 & 8) en provenance d'Internet vers ALCASAR
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# Allow ping (echo & request) (ICMP N°0 & 8) on EXTIF
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# Allow ping (echo & request) (ICMP N°0 & 8) from Internet
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#$IPTABLES -A INPUT -i $EXTIF -s $Admin_from_IP -p icmp --icmp-type 8 -j ACCEPT
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#$IPTABLES -A INPUT -i $EXTIF -s $Admin_from_IP -p icmp --icmp-type 8 -j ACCEPT
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#$IPTABLES -A OUTPUT -o $EXTIF -d $Admin_from_IP -p icmp --icmp-type 0 -j ACCEPT
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#$IPTABLES -A OUTPUT -o $EXTIF -d $Admin_from_IP -p icmp --icmp-type 0 -j ACCEPT
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# On autorise l'accès à un serveur MAIL (SMTP) pour l'envoie de rapports, alertes (logwatch, etc.)
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# On autorise ALCASAR a accéder à un serveur MAIL local (envoie de rapports, alertes, etc.)
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# Allow access to a mail server (SMTP)
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# Allow ALCASAR to conect to a local mail server (send reports, alerts, etc.)
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#SMTP_IP='192.168.111.5' # IP of mail server
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#SMTP_IP='192.168.111.5' # IP of mail server
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#SMTP_PORT=587 # port of mail server (25 for SMTP ; 587 for STARTTLS ; 465 for SMTPS)
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#SMTP_PORT=587 # port of mail server (25 for SMTP ; 587 for STARTTLS ; 465 for SMTPS)
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#$IPTABLES -A OUTPUT -p tcp -d $SMTP_IP --dport $SMTP_PORT -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
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#$IPTABLES -A OUTPUT -p tcp -d $SMTP_IP --dport $SMTP_PORT -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
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#$IPTABLES -A INPUT -p tcp -s $SMTP_IP --sport $SMTP_PORT -m conntrack --ctstate ESTABLISHED -j ACCEPT
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#$IPTABLES -A INPUT -p tcp -s $SMTP_IP --sport $SMTP_PORT -m conntrack --ctstate ESTABLISHED -j ACCEPT
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# On autorise du PAT (Port Adresse Translation) afin de pouvoir joindre des équipements du LAN à partir d'Internet
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# On autorise l'accès SSH depuis Internet (port 11222) vers un equipement du LAN (port 22). On réalise donc un "PAT" (Port Adresse Translation)
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# Allow PAT (Port Adresse Translation)
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# Allow PAT (Port Adresse Translation) from INTERNET (port 11222) in order to connect to a LAN equipment on port 22 (SSH)
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# example for the external UDP-TCP port 11222 which is redirected to the internal IP 192.168.182.10 on port 22
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# example for the external UDP-TCP port 11222 which is redirected to the internal IP 192.168.182.10 on port 22
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#$IPTABLES -A PREROUTING -i $EXTIF -t nat -p tcp -d $PUBLIC_IP --dport 11222 -j DNAT --to 192.168.182.10:22
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#$IPTABLES -A PREROUTING -i $EXTIF -t nat -p tcp -d $PUBLIC_IP --dport 11222 -j DNAT --to 192.168.182.10:22
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#$IPTABLES -A PREROUTING -i $EXTIF -t nat -p udp -d $PUBLIC_IP --dport 11222 -j DNAT --to 192.168.182.10:22
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#$IPTABLES -A PREROUTING -i $EXTIF -t nat -p udp -d $PUBLIC_IP --dport 11222 -j DNAT --to 192.168.182.10:22
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#$IPTABLES -A FORWARD -p tcp -d 192.168.182.10 --dport 22 -j ACCEPT
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#$IPTABLES -A FORWARD -p tcp -d 192.168.182.10 --dport 22 -j ACCEPT
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#$IPTABLES -A FORWARD -p udp -d 192.168.182.10 --dport 22 -j ACCEPT
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#$IPTABLES -A FORWARD -p udp -d 192.168.182.10 --dport 22 -j ACCEPT
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