diff --git a/sisr1/tp07/files_firewall/current_ruleset_partie_3.nft b/sisr1/tp07/files_firewall/current_ruleset_partie_3.nft
index c75fcd5..b9e041e 100644
--- a/sisr1/tp07/files_firewall/current_ruleset_partie_3.nft
+++ b/sisr1/tp07/files_firewall/current_ruleset_partie_3.nft
@@ -1,6 +1,7 @@
 define netif = enp0s3
 define dmzif = enp0s8
 define lanif = enp0s9
+
 define firewall = 192.168.0.120
 define ipdmz = 172.16.0.254
 define iplan = 10.0.0.254
@@ -9,7 +10,7 @@ table ip ipfilter{
 	chain prerouting {
                 type filter hook prerouting priority filter; policy drop;
 		icmp type echo-reply accept
-		icmp type echo-request iif {$lanif} oif {$dmzif} 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 {$iplan} accept
 		tcp dport 22 accept
         }