From 9f7f1ebb15a2dce507693830517bc1c0c2b6815e Mon Sep 17 00:00:00 2001
From: sarthurdev <965089+sarthurdev@users.noreply.github.com>
Date: Thu, 3 Feb 2022 00:30:52 +0100
Subject: firewall: T4178: Fix only inverse matching on tcp flags

---
 python/vyos/firewall.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'python')

diff --git a/python/vyos/firewall.py b/python/vyos/firewall.py
index a74fd922a..c1217b420 100644
--- a/python/vyos/firewall.py
+++ b/python/vyos/firewall.py
@@ -208,7 +208,7 @@ def parse_rule(rule_conf, fw_name, rule_id, ip_name):
 def parse_tcp_flags(flags):
     include = [flag for flag in flags if flag != 'not']
     exclude = list(flags['not']) if 'not' in flags else []
-    return f'tcp flags & ({"|".join(include + exclude)}) == {"|".join(include)}'
+    return f'tcp flags & ({"|".join(include + exclude)}) == {"|".join(include) if include else "0x0"}'
 
 def parse_time(time):
     out = []
-- 
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