X-Git-Url: https://git.proxmox.com/?p=pve-firewall.git;a=blobdiff_plain;f=src%2FPVE%2FFirewall.pm;h=ef724a7085871580b7bc11807fb29699827561a3;hp=d300dc99b9e9fe98fe9ad2c7724372a46fe76cca;hb=81a0a9ffb7acc40a1e39e8253adaad3622010159;hpb=eacd4748486c3938890e0c2a623ef46950077437

diff --git a/src/PVE/Firewall.pm b/src/PVE/Firewall.pm
index d300dc9..ef724a7 100644
--- a/src/PVE/Firewall.pm
+++ b/src/PVE/Firewall.pm
@@ -2418,7 +2418,8 @@ sub enable_host_firewall {
 	});
 
 	# allow multicast only if enabled in config
-	$multicast_enabled = $corosync_conf->{main}->{totem}->{transport} // 0;
+	my $corosync_transport = $corosync_conf->{main}->{totem}->{transport};
+	$multicast_enabled = defined($corosync_transport) && $corosync_transport eq 'udp';
     }
 
     # host inbound firewall