--- a/mod_firewall/conditions.lib.lua	Thu Jun 08 12:20:34 2023 +0100
+++ b/mod_firewall/conditions.lib.lua	Thu Jun 08 13:04:19 2023 +0100
@@ -68,7 +68,7 @@
 end
 
 function condition_handlers.FROM_FULL_JID()
-	return compile_jid_match_part("from_resource", nil), { "split_from" };
+	return "not "..compile_jid_match_part("from_resource", nil), { "split_from" };
 end
 
 function condition_handlers.FROM_EXACTLY(from)