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Fix capturing of local DNS servers

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Regression was introduced in #337 that is skipping all local traffic,
including DNS. This change makes UDP port 53 (DNS) LOCAL traffic to be
treated as special case.

Fixes #357
This commit is contained in:
Nick Sokolov
2019-09-13 11:37:20 -07:00
committed by Brian May
parent 7ebff92637
commit a7193f508a
2 changed files with 12 additions and 2 deletions
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6
tests/client/test_methods_nat.py
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@@ -140,7 +140,11 @@ def test_setup_firewall(mock_ipt_chain_exists, mock_ipt_ttl, mock_ipt):
call(AF_INET, 'nat', '-I', 'OUTPUT', '1', '-j', 'sshuttle-1025'),
call(AF_INET, 'nat', '-I', 'PREROUTING', '1', '-j', 'sshuttle-1025'),
call(AF_INET, 'nat', '-A', 'sshuttle-1025', '-j', 'RETURN',
'-m', 'addrtype', '--dst-type', 'LOCAL'),
'-m', 'addrtype', '--dst-type', 'LOCAL',
'!', '-p', 'udp'),
call(AF_INET, 'nat', '-A', 'sshuttle-1025', '-j', 'RETURN',
'-m', 'addrtype', '--dst-type', 'LOCAL',
'-p', 'udp', '!', '--dport', '53'),
call(AF_INET, 'nat', '-A', 'sshuttle-1025', '-j', 'RETURN',
'--dest', u'1.2.3.66/32', '-p', 'tcp', '--dport', '8080:8080')
]