add standard rules after user rules

[pve-firewall.git] / src / PVE / Firewall.pm

diff --git a/src/PVE/Firewall.pm b/src/PVE/Firewall.pm
index 1fcb71c92d6880972688c3067ce6d842d54277e6..82c5c95dbf5f4165d56cb32be0be4434175c3282 100644 (file)
--- a/src/PVE/Firewall.pm
+++ b/src/PVE/Firewall.pm
@@ -1684,18 +1684,6 @@ sub enable_host_firewall {
     ruleset_chain_add_conn_filters($ruleset, $chain, 'ACCEPT');
     ruleset_chain_add_input_filters($ruleset, $chain, $options, $cluster_conf, $loglevel);
 
-    my $clusternet = get_cluster_network();
-
-    if ($clusternet) {
-       ruleset_addrule($ruleset, $chain, "-s $clusternet -p tcp --dport 8006 -j ACCEPT");  # PVE API
-       ruleset_addrule($ruleset, $chain, "-s $clusternet -p tcp --dport 5900:5999 -j ACCEPT");  # PVE VNC Console 
-       ruleset_addrule($ruleset, $chain, "-s $clusternet -p tcp --dport 3128 -j ACCEPT");  # SPICE Proxy
-       ruleset_addrule($ruleset, $chain, "-s $clusternet -p tcp --dport 22 -j ACCEPT");  # SSH
-    }
-
-    ruleset_addrule($ruleset, $chain, "-m addrtype --dst-type MULTICAST -j ACCEPT");
-    ruleset_addrule($ruleset, $chain, "-p udp -m conntrack --ctstate NEW --dport 5404:5405 -j ACCEPT");
-
     # we use RETURN because we need to check also tap rules
     my $accept_action = 'RETURN';
 
@@ -1710,6 +1698,21 @@ sub enable_host_firewall {
        }
        delete $rule->{iface_in};
     }
+   
+    my $clusternet = get_cluster_network();
+
+    # allow standard traffic on cluster network
+    if ($clusternet) {
+       ruleset_addrule($ruleset, $chain, "-s $clusternet -p tcp --dport 8006 -j ACCEPT");  # PVE API
+       ruleset_addrule($ruleset, $chain, "-s $clusternet -p tcp --dport 5900:5999 -j ACCEPT");  # PVE VNC Console 
+       ruleset_addrule($ruleset, $chain, "-s $clusternet -p tcp --dport 3128 -j ACCEPT");  # SPICE Proxy
+       ruleset_addrule($ruleset, $chain, "-s $clusternet -p tcp --dport 22 -j ACCEPT");  # SSH
+ 
+       # corosync
+       my $corosync_rule = "-p udp -m conntrack --ctstate NEW --dport 5404:5405 -j ACCEPT"
+       ruleset_addrule($ruleset, $chain, "-s $clusternet -d $clusternet $corosync_rule");
+       ruleset_addrule($ruleset, $chain, "-s $clusternet -m addrtype --dst-type MULTICAST $corosync_rule");
+    }
 
     # implement input policy
     my $policy = $cluster_options->{policy_in} || 'DROP'; # allow nothing by default
@@ -1725,9 +1728,6 @@ sub enable_host_firewall {
 
     ruleset_chain_add_conn_filters($ruleset, $chain, 'ACCEPT');
 
-    ruleset_addrule($ruleset, $chain, "-m addrtype --dst-type MULTICAST -j ACCEPT");
-    ruleset_addrule($ruleset, $chain, "-p udp -m conntrack --ctstate NEW --dport 5404:5405 -j ACCEPT");
-
     # we use RETURN because we may want to check other thigs later
     $accept_action = 'RETURN';
 
@@ -1743,6 +1743,16 @@ sub enable_host_firewall {
        delete $rule->{iface_out};
     }
 
+    # allow standard traffic on cluster network
+    if ($clusternet) {
+       ruleset_addrule($ruleset, $chain, "-d $clusternet -p tcp --dport 8006 -j ACCEPT");  # PVE API
+       ruleset_addrule($ruleset, $chain, "-d $clusternet -p tcp --dport 22 -j ACCEPT");  # SSH
+ 
+       my $corosync_rule = "-p udp -m conntrack --ctstate NEW --dport 5404:5405 -j ACCEPT";
+       ruleset_addrule($ruleset, $chain, "-s $clusternet -d $clusternet $corosync_rule");
+       ruleset_addrule($ruleset, $chain, "-s $clusternet -m addrtype --dst-type MULTICAST $corosync_rule");
+    }
+
     # implement output policy
     $policy = $cluster_options->{policy_out} || 'ACCEPT'; # allow everything by default
     ruleset_add_chain_policy($ruleset, $chain, 0, $policy, $loglevel, $accept_action);