modification

roles/fw-ferm/files/ferm.conf.r-vp1

@@ -4,7 +4,7 @@
 
 @def $DEV_PRIVATE = enp0s8;
 @def $DEV_WORLD = enp0s9;
-
+@def $DEV_VPN= wg0;
 @def $NET_PRIVATE = 172.16.0.0/24;
 
 table filter {
@@ -45,11 +45,21 @@ table filter {
     }#FIN INPUT
 
     # outgoing connections are not limited
-    chain OUTPUT policy ACCEPT;
+    chain OUTPUT {policy ACCEPT;
+    }#FIN OUTPUT
 
     chain FORWARD {
         policy ACCEPT;
 
+        interface $DEV_VPN{
+            # respond to ping
+            proto icmp icmp-type echo-request ACCEPT;
+            # disallow ssh
+            saddr($DEV_VPN) proto tcp dport ssh DROP;
+            # allow ssh
+            daddr($DEV_VPN) proto tcp dport ssh ACCEPT;
+
+        }
         # connection tracking
         mod state state INVALID DROP;
         mod state state (ESTABLISHED RELATED) ACCEPT;

roles/fw-ferm/files/ferm.conf.r-vp2

@@ -4,7 +4,7 @@
 
 @def $DEV_PRIVATE = enp0s9;
 @def $DEV_WORLD = enp0s8;
-
+@def $DEV_VPN= wg0;
 @def $NET_PRIVATE = 172.16.0.0/24;
 
 table filter {
@@ -34,7 +34,12 @@ table filter {
             proto (udp tcp) dport domain ACCEPT;
             proto udp dport bootps ACCEPT;
         }
-
+        interface $DEV_VPN{
+        # respond to ping
+        proto icmp icmp-type echo-request ACCEPT;
+        # disallow ssh
+        saddr proto tcp dport ssh ACCEPT;
+        }
         # interface réseau
         interface $DEV_WORLD {
 
@@ -44,8 +49,14 @@ table filter {
     }#FIN INPUT
 
     # outgoing connections are not limited
-    chain OUTPUT policy ACCEPT;
-
+    chain OUTPUT {policy ACCEPT;
+        interface $DEV_VPN{
+        # allow ssh
+        daddr proto tcp dport ssh DROP;
+        # respond to ping
+        proto icmp icmp-type echo-request ACCEPT;
+        }
+}
     chain FORWARD {
         policy ACCEPT;