implement nosmurfs option for hiost firewall

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

diff --git a/src/PVE/Firewall.pm b/src/PVE/Firewall.pm
index a929b54ac755b1d0c356c46282867a7c7d2dc3af..6d715c20f6348fd7fe745b1cff1f27824e34b0a8 100644 (file)
--- a/src/PVE/Firewall.pm
+++ b/src/PVE/Firewall.pm
@@ -1125,6 +1125,10 @@ sub enable_host_firewall {
 
     my $loglevel = get_option_log_level($options, "log_level_in");
 
+    if (!(defined($options->{nosmurfs}) && $options->{nosmurfs} == 0)) {
+       ruleset_addrule($ruleset, $chain, "-m conntrack --ctstate INVALID,NEW -j PVEFW-smurfs");
+    }
+
     if ($options->{tcpflags}) {
        ruleset_addrule($ruleset, $chain, "-p tcp -j PVEFW-tcpflags");
     }