nouveau fichier : siotp/sisr1/TP7/scriptsnft/current_ruleset.nft

nouveau fichier : siotp/sisr1/TP7/scriptsnft/fw_part1.nft nouveau fichier : siotp/sisr1/TP7/scriptsnft/fw_part2.nft nouveau fichier : siotp/sisr1/TP7/scriptsnft/fw_part3.nft nouveau fichier : siotp/sisr1/TP7/scriptsnft/refresh_firewall.sh
2024-04-04 14:25:22 +02:00
parent 0240b7d77a
commit 97c5a05efa
5 changed files with 168 additions and 0 deletions
--- a/siotp/sisr1/TP7/scriptsnft/fw_part2.nft
+++ b/siotp/sisr1/TP7/scriptsnft/fw_part2.nft
@@ -0,0 +1,34 @@
+define netif = enp0s3
+define dmzif = enp0s8
+define lanif = enp0s9
+
+
+table ip ipfilter {
+
+	chain prerouting {
+		type filter hook prerouting priority filter; policy drop;
+		tcp dport 22 accept
+	}
+
+	chain routing {
+		type filter hook forward priority filter; policy drop;
+		icmp type echo-request iif { $netif, $dmzif } drop
+		icmp type { echo-reply, echo-request } accept
+	}
+
+	chain system_in {
+		type filter hook input priority filter; policy drop;
+		icmp type echo-request iif { $netif, $dmzif } drop
+		tcp dport 22 accept
+	}
+
+	chain system_out {
+		type filter hook output priority filter; policy drop;
+		tcp sport 22 accept
+	}
+
+	chain postrouting {
+		type filter hook postrouting priority filter; policy drop;
+		tcp sport 22 accept
+	}
+}