From fd15f9d2ab6a7e5bbc07ff2e8b10c064984492ce Mon Sep 17 00:00:00 2001 From: Viacheslav Hletenko Date: Thu, 18 Aug 2022 17:09:17 +0000 Subject: firewall: T4622: Add TCP MSS option Ability to drop|accept packets based on TCP MSS size set firewall name rule tcp mss '501-1460' --- smoketest/scripts/cli/test_firewall.py | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'smoketest/scripts') diff --git a/smoketest/scripts/cli/test_firewall.py b/smoketest/scripts/cli/test_firewall.py index 4de90e1ec..684a07681 100755 --- a/smoketest/scripts/cli/test_firewall.py +++ b/smoketest/scripts/cli/test_firewall.py @@ -177,6 +177,7 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase): self.verify_nftables(nftables_search, 'ip filter') def test_basic_rules(self): + mss_range = '501-1460' self.cli_set(['firewall', 'name', 'smoketest', 'default-action', 'drop']) self.cli_set(['firewall', 'name', 'smoketest', 'enable-default-log']) self.cli_set(['firewall', 'name', 'smoketest', 'rule', '1', 'action', 'accept']) @@ -203,6 +204,10 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase): self.cli_set(['firewall', 'name', 'smoketest', 'rule', '4', 'destination', 'port', '22']) self.cli_set(['firewall', 'name', 'smoketest', 'rule', '4', 'recent', 'count', '10']) self.cli_set(['firewall', 'name', 'smoketest', 'rule', '4', 'recent', 'time', 'minute']) + self.cli_set(['firewall', 'name', 'smoketest', 'rule', '5', 'action', 'accept']) + self.cli_set(['firewall', 'name', 'smoketest', 'rule', '5', 'protocol', 'tcp']) + self.cli_set(['firewall', 'name', 'smoketest', 'rule', '5', 'tcp', 'flags', 'syn']) + self.cli_set(['firewall', 'name', 'smoketest', 'rule', '5', 'tcp', 'mss', mss_range]) self.cli_set(['interfaces', 'ethernet', 'eth0', 'firewall', 'in', 'name', 'smoketest']) @@ -214,7 +219,8 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase): ['tcp flags & (syn | ack) == syn', 'tcp dport { 8888 }', 'log prefix "[smoketest-2-R]" level err', 'ip ttl > 102', 'reject'], ['tcp dport { 22 }', 'limit rate 5/minute', 'return'], ['log prefix "[smoketest-default-D]"','smoketest default-action', 'drop'], - ['tcp dport { 22 }', 'add @RECENT_smoketest_4 { ip saddr limit rate over 10/minute burst 10 packets }', 'drop'] + ['tcp dport { 22 }', 'add @RECENT_smoketest_4 { ip saddr limit rate over 10/minute burst 10 packets }', 'drop'], + [f'tcp flags & syn == syn tcp option maxseg size {mss_range}'] ] self.verify_nftables(nftables_search, 'ip filter') -- cgit v1.2.3