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-rwxr-xr-xsmoketest/scripts/cli/test_firewall.py27
1 files changed, 26 insertions, 1 deletions
diff --git a/smoketest/scripts/cli/test_firewall.py b/smoketest/scripts/cli/test_firewall.py
index 4a577562d..67e949f95 100755
--- a/smoketest/scripts/cli/test_firewall.py
+++ b/smoketest/scripts/cli/test_firewall.py
@@ -1,6 +1,6 @@
#!/usr/bin/env python3
#
-# Copyright (C) 2021-2022 VyOS maintainers and contributors
+# Copyright (C) 2021-2023 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
@@ -338,6 +338,31 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
self.verify_nftables(nftables_search, 'ip vyos_filter')
+ def test_ipv4_synproxy(self):
+ tcp_mss = '1460'
+ tcp_wscale = '7'
+ dport = '22'
+
+ self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'action', 'drop'])
+ self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'protocol', 'tcp'])
+ self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'destination', 'port', dport])
+ self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'synproxy', 'tcp', 'mss', tcp_mss])
+ self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'synproxy', 'tcp', 'window-scale', tcp_wscale])
+
+ with self.assertRaises(ConfigSessionError):
+ self.cli_commit()
+
+ self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'action', 'synproxy'])
+
+ self.cli_commit()
+
+ nftables_search = [
+ [f'tcp dport {dport} ct state invalid,untracked', f'synproxy mss {tcp_mss} wscale {tcp_wscale} timestamp sack-perm']
+ ]
+
+ self.verify_nftables(nftables_search, 'ip vyos_filter')
+
+
def test_ipv4_mask(self):
name = 'smoketest-mask'
interface = 'eth0'