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Modifié : sisr1/tp07/files_firewall/current_ruleset_partie_4.nft

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guillaume.emorine 2024-04-04 14:31:17 +02:00
parent 14f7eacde4
commit 9e390644e7
1 changed files with 12 additions and 7 deletions
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19
sisr1/tp07/files_firewall/current_ruleset_partie_4.nft
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@ -2,6 +2,11 @@ define netif = enp0s3
define dmzif = enp0s8
define lanif = enp0s9
define proxy = 10.121.38.1
defiine dns = {10.121.38.7 , 10.121.38.8}
define proxyport = 8080
define dmznet = 172.16.0.1-172.16.0.254
define firewall = 192.168.0.120
define ipdmz = 172.16.0.254
define iplan = 10.0.0.254
@ -11,13 +16,13 @@ table ip ipfilter{
type filter hook prerouting priority filter; policy drop;
icmp type echo-reply accept
ct state established, related accept
icmp type echo-request iif {$lanif} ip daddr 172.16.0.1-172.16.0.254 accept
icmp type echo-request iif {$lanif} ip daddr $dmznet accept
icmp type echo-request iif {$lanif} ip daddr {$iplan} accept
tcp dport 20 accept
tcp dport 21 accept
tcp dport {80, 443} accept
tcp dport 22 accept
ip saddr 10.121.38.1 tcp dport {80, 443} accept
ip saddr $proxy tcp dport {80, 443} accept
}
chain system_in {
type filter hook input priority filter; policy drop;
@ -28,7 +33,7 @@ table ip ipfilter{
tcp dport 21 accept
tcp dport {80, 443} accept
tcp dport 22 accept
ip saddr 10.121.38.1 tcp dport {80, 443} accept
ip saddr $proxy tcp dport {80, 443} accept
}
chain routing {
type filter hook forward priority filter; policy drop;
@ -37,8 +42,8 @@ table ip ipfilter{
}
chain system_out {
type filter hook output priority filter; policy drop;
ip daddr 10.121.38.7-10.121.38.8 accept
ip daddr 10.121.38.1 tcp dport 8080 accept
ip daddr $dns accept
ip daddr $proxy tcp dport $proxyport accept
icmp type echo-reply oif {$lanif} accept
icmp type echo-request accept
tcp dport 20 accept
@ -51,8 +56,8 @@ table ip ipfilter{
}
chain postrouting {
type filter hook postrouting priority filter; policy drop;
ip daddr 10.121.38.7-10.121.38.8 accept
ip daddr 10.121.38.1 tcp dport 8080 accept
ip daddr $dns accept
ip daddr $proxy tcp dport $proxyport accept
icmp type echo-request ip saddr {$iplan, $ipdmz, $firewall} accept
icmp type echo-reply iif {$dmzif} oif {$lanif} accept
icmp type echo-request iif {$lanif} oif {$dmzif} accept