supprimé : scriptsnft/current_ruleset.nft
supprimé : scriptsnft/fw_part1.nft supprimé : scriptsnft/fw_part2.nft supprimé : scriptsnft/fw_part3.nft supprimé : scriptsnft/refresh_firewall.sh renommé : scriptsnft/fw_part4.nft -> siotp/sisr1/TP7/scriptsnft/fw_part4.nft
This commit is contained in:
Jarod Pauchet
parent
237bb508eb
commit
522adcf07f
@ -1,68 +0,0 @@
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define netif = enp0s3
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define dmzif = enp0s8
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define lanif = enp0s9
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define firewall = 192.168.0.140
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define ipdmz = 172.16.0.254
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define iplan = 10.0.0.254
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table ip ipfilter{
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chain prerouting {
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type filter hook prerouting priority filter; policy drop;
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icmp type echo-reply accept
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ct state established, related accept
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icmp type echo-request iif {$lanif} ip daddr 172.16.0.1-172.16.0.254 accept
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icmp type echo-request iif {$lanif} ip daddr {$iplan} accept
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tcp dport 20 accept
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tcp dport 21 accept
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tcp dport {80, 443} accept
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tcp dport 22 accept
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ip saddr 10.121.38.1 tcp dport {80, 443} accept
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}
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chain system_in {
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type filter hook input priority filter; policy drop;
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icmp type echo-reply accept
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icmp type echo-request iif {$lanif} accept
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ct state established, related accept
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tcp dport 20 accept
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tcp dport 21 accept
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tcp dport {80, 443} accept
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tcp dport 22 accept
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ip saddr 10.121.38.1 tcp dport {80, 443} accept
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}
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chain routing {
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type filter hook forward priority filter; policy drop;
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icmp type echo-request iif {$lanif} oif {$dmzif} accept
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icmp type echo-reply iif {$dmzif} oif {$lanif} accept
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}
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chain system_out {
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type filter hook output priority filter; policy drop;
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ip daddr 10.121.38.7-10.121.38.8 accept
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ip daddr 10.121.38.1 tcp dport 8080 accept
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icmp type echo-reply oif {$lanif} accept
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icmp type echo-request accept
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tcp dport 20 accept
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tcp sport 20 accept
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tcp dport 21 accept
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tcp sport 21 accept
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tcp dport {80, 443} accept
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tcp sport {80, 443} accept
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tcp sport 22 accept
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}
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chain postrouting {
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type filter hook postrouting priority filter; policy drop;
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ip daddr 10.121.38.7-10.121.38.8 accept
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ip daddr 10.121.38.1 tcp dport 8080 accept
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icmp type echo-request ip saddr {$iplan, $ipdmz, $firewall} accept
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icmp type echo-reply iif {$dmzif} oif {$lanif} accept
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icmp type echo-request iif {$lanif} oif {$dmzif} accept
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icmp type echo-request ip saddr $iplan oif $lanif accept
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tcp dport 20 accept
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tcp sport 20 accept
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tcp dport 21 accept
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tcp sport 21 accept
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tcp dport {80, 443} accept
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tcp sport {80, 443} accept
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tcp sport 22 accept
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}
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}
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@ -1,18 +0,0 @@
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define netif = enp0s3
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define dmzif = enp0s8
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define lanif = enp0s9
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table ip ipfilter {
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chain routing {
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type filter hook forward priority filter; policy accept;
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icmp type echo-request iif { "$netif", "$dmzif" } drop
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icmp type { echo-reply, echo-request } accept
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drop
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}
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chain system_in {
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type filter hook input priority filter; policy accept;
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icmp type echo-request iif { "$netif", "$dmzif" } drop
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}
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}
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@ -1,34 +0,0 @@
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define netif = enp0s3
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define dmzif = enp0s8
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define lanif = enp0s9
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table ip ipfilter {
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chain prerouting {
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type filter hook prerouting priority filter; policy drop;
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tcp dport 22 accept
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}
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chain routing {
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type filter hook forward priority filter; policy drop;
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icmp type echo-request iif { $netif, $dmzif } drop
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icmp type { echo-reply, echo-request } accept
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}
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chain system_in {
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type filter hook input priority filter; policy drop;
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icmp type echo-request iif { $netif, $dmzif } drop
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tcp dport 22 accept
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}
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chain system_out {
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type filter hook output priority filter; policy drop;
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tcp sport 22 accept
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}
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chain postrouting {
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type filter hook postrouting priority filter; policy drop;
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tcp sport 22 accept
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}
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}
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@ -1,41 +0,0 @@
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define netif = enp0s3
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define dmzif = enp0s8
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define lanif = enp0s9
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define netip = 192.168.0.140
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define dmzip = 172.16.0.254
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define lanip = 10.0.0.254
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table ip ipfilter{
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chain prerouting {
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type filter hook prerouting priority filter; policy drop;
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icmp type echo-request iif $lanif ip daddr 172.16.0.1-172.16.0.254 accept
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icmp type echo-request iif $lanif ip daddr $lanip accept
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icmp type echo-reply accept
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tcp dport 22 accept
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}
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chain system_in {
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type filter hook input priority filter; policy drop;
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icmp type echo-request iif $lanif accept
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icmp type echo-reply accept
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tcp dport 22 accept
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}
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chain routing {
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type filter hook forward priority filter; policy drop;
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icmp type echo-request iif $lanif oif $dmzif accept
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icmp type echo-reply iif $dmzif oif $lanif accept
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}
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chain system_out {
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type filter hook output priority filter; policy drop;
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icmp type echo-request accept
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icmp type echo-reply oif $lanif accept
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tcp sport 22 accept
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}
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chain postrouting {
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type filter hook postrouting priority filter; policy drop;
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icmp type echo-request ip saddr {$lanip , $dmzip , $netip } accept
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icmp type echo-request iif $lanif oif $dmzif accept
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icmp type echo-reply iif $dmzif oif $lanif accept
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icmp type echo-reply ip saddr $lanip oif $lanif accept
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tcp sport 22 accept
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}
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}
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@ -1,7 +0,0 @@
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#!/bin/bash
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# active le routage entre les interfaces réseau du firewall
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echo "1" > /proc/sys/net/ipv4/ip_forward
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#vide les règles actuelles du pare-feu
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nft flush ruleset
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#charge les règles du pare-feu présentes dans le fichier
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nft -f /root/scriptsnft/current_ruleset.nft
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