X-Git-Url: https://git.proxmox.com/?p=pve-firewall.git;a=blobdiff_plain;f=PVE%2FFirewall.pm;h=be9b847d6e463e4bcc2f35abf025ec6d6163920b;hp=2c5e6b4e27408d0281a3f525a953809cf59bcc4e;hb=d050c7240e2a3d4c1de906fea7e48f926d876098;hpb=09d5f68ea808fe6a5df9e9a075e3a25c9ec471a4

diff --git a/PVE/Firewall.pm b/PVE/Firewall.pm
index 2c5e6b4..be9b847 100644
--- a/PVE/Firewall.pm
+++ b/PVE/Firewall.pm
@@ -258,6 +258,8 @@ sub ruleset_generate_rule {
 sub ruleset_create_chain {
     my ($ruleset, $chain) = @_;
 
+    die "Invalid chain name '$chain' (28 char max)\n" if length($chain) > 28;
+
     die "chain '$chain' already exists\n" if $ruleset->{$chain};
 
     $ruleset->{$chain} = [];