Ajout des parties 2 et 3 du tp6

sisr1/tp06-firewall/fw_part2.nft

@@ -0,0 +1,25 @@
+define netif = enp0s3
+define lanif = enp0s8
+define dmzif = enp0s9
+ 
+table ip ipfilter {
+        chain prerouting {
+                type filter hook prerouting priority filter; policy drop;
+		tcp dport 22 accept
+        }
+	chain system_in {
+                type filter hook input priority filter; policy drop;
+		tcp dport 22 accept
+        }
+ 	chain routing {
+                type filter hook forward priority filter; policy drop;
+        }
+ 	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
+        }
+}