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Modifié : sisr1/tp07/files_firewall/current_ruleset_partie_5.nft

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guillaume.emorine
2024-04-08 10:26:49 +02:00
parent f70b6e1e87
commit a796151db6
1 changed files with 18 additions and 0 deletions
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18
sisr1/tp07/files_firewall/current_ruleset_partie_5.nft
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@@ -14,6 +14,7 @@ define ipdmz = 172.16.0.254
define iplan = 10.0.0.254
table ip ipfilter{
chain prerouting {
type filter hook prerouting priority filter; policy drop;
ct state established, related accept
@@ -25,8 +26,12 @@ table ip ipfilter{
tcp dport {80, 443} ip saddr $lan-ntw accept
tcp sport {80, 443} ip saddr $lan-ntw accept
tcp dport 22 accept
udp sport 53 iif {$dmzif, $lanif} accept
udp dport 53 accept
ip saddr $proxy tcp dport {80, 443} accept
ip daddr $dns accept
}
chain system_in {
type filter hook input priority filter; policy drop;
ct state established, related accept
@@ -36,8 +41,11 @@ table ip ipfilter{
tcp dport 21 accept
tcp dport {80, 443} accept
tcp dport 22 accept
udp sport 53 accept
udp dport 53 accept
ip saddr $proxy tcp dport {80, 443} accept
}
chain routing {
type filter hook forward priority filter; policy drop;
ct state established, related accept
@@ -45,7 +53,11 @@ table ip ipfilter{
icmp type echo-reply iif {$dmzif} oif {$lanif} accept
tcp dport {80, 443} ip saddr $lan-ntw accept
tcp sport {80, 443} ip saddr $lan-ntw accept
udp sport 53 iif {$lanif, $dmzif} accept
udp dport 53 accept
ip daddr $dns accept
}
chain system_out {
type filter hook output priority filter; policy drop;
ip daddr $dns accept
@@ -59,7 +71,10 @@ table ip ipfilter{
tcp dport {80, 443} accept
tcp sport {80, 443} accept
tcp sport 22 accept
udp sport 53 accept
udp dport 53 accept
}
chain postrouting {
type filter hook postrouting priority filter; policy drop;
ct state established, related accept
@@ -76,6 +91,9 @@ table ip ipfilter{
tcp dport {80, 443} accept
tcp sport {80, 443} accept
tcp sport 22 accept
udp sport 53 accept
udp dport 53 accept
ip daddr $dns accept
}
chain pre_nat {