Merge pull request #5700 from mailcow/staging

[Netfilter] fix mailcow isolation rule for iptables
mailcow · Feb 2, 2024 · 20c9064 · 20c9064
2 parents c9e9628 + 57e67ea
commit 20c9064
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/data/Dockerfiles/netfilter/modules/IPTables.py b/data/Dockerfiles/netfilter/modules/IPTables.py
@@ -219,7 +219,7 @@ def create_mailcow_isolation_rule(self, _interface:str, _dports:list, _allow:str
 
       # insert mailcow isolation rule
       rule = iptc.Rule()
-      rule.in_interface = f'! {_interface}'
+      rule.in_interface = f'!{_interface}'
       rule.out_interface = _interface
       rule.protocol = 'tcp'
       rule.create_target("DROP")
@@ -234,7 +234,7 @@ def create_mailcow_isolation_rule(self, _interface:str, _dports:list, _allow:str
       if _allow != "":
         rule = iptc.Rule()
         rule.src = _allow
-        rule.in_interface = f'! {_interface}'
+        rule.in_interface = f'!{_interface}'
         rule.out_interface = _interface
         rule.protocol = 'tcp'
         rule.create_target("ACCEPT")