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Merge remote-tracking branch 'origin/topic/johanna/jbaggs-ignore-mdns'

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* origin/topic/johanna/jbaggs-ignore-mdns:
  IPv6 support for detect-external-names and testcase
  Add  `skip_resp_host_port_pairs` option.
This commit is contained in:
Johanna Amann 2025-02-05 09:05:00 +00:00
commit 5ef6902331
8 changed files with 73 additions and 2 deletions
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13
testing/btest/Baseline/scripts.policy.protocols.dns.detect-external-names-mdns-broadcast-2/notice.log Normal file
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### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.
#separator \x09
#set_separator ,
#empty_field (empty)
#unset_field -
#path notice
#open XXXX-XX-XX-XX-XX-XX
#fields ts uid id.orig_h id.orig_p id.resp_h id.resp_p fuid file_mime_type file_desc proto note msg sub src dst p n peer_descr actions email_dest suppress_for remote_location.country_code remote_location.region remote_location.city remote_location.latitude remote_location.longitude
#types time string addr port addr port string string string enum enum string string addr addr port count string set[enum] set[string] interval string string string double double
XXXXXXXXXX.XXXXXX CHhAvVGS1DHFjwGM9 fd52:429e:c03c:8235:883c:d6ff:fee1:4dc4 5353 ff02::fb 5353 - - - udp DNS::External_Name johanna-qemu-virtual-machine.local is pointing to a local host - fd52:429e:c03c:8235:883c:d6ff:fee1:4dc4. - fd52:429e:c03c:8235:883c:d6ff:fee1:4dc4 ff02::fb 5353 - - Notice::ACTION_LOG (empty) 3600.000000 - - - - -
XXXXXXXXXX.XXXXXX CHhAvVGS1DHFjwGM9 fd52:429e:c03c:8235:883c:d6ff:fee1:4dc4 5353 ff02::fb 5353 - - - udp DNS::External_Name johanna-qemu-virtual-machine.local is pointing to a local host - fd52:429e:c03c:8235:5968:5bc6:1563:f82f. - fd52:429e:c03c:8235:883c:d6ff:fee1:4dc4 ff02::fb 5353 - - Notice::ACTION_LOG (empty) 3600.000000 - - - - -
XXXXXXXXXX.XXXXXX ClEkJM2Vm5giqnMf4h 10.0.2.7 5353 224.0.0.251 5353 - - - udp DNS::External_Name johanna-qemu-virtual-machine.local is pointing to a local host - 10.0.2.7. - 10.0.2.7 224.0.0.251 5353 - - Notice::ACTION_LOG (empty) 3600.000000 - - - - -
#close XXXX-XX-XX-XX-XX-XX

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testing/btest/Baseline/scripts.policy.protocols.dns.detect-external-names-mdns-broadcast/notice.log Normal file
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### BTest baseline data generated by btest-diff. Do not edit. Use "btest -U/-u" to update. Requires BTest >= 0.63.

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testing/btest/Traces/dns/mdns.pcap Normal file
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testing/btest/scripts/policy/protocols/dns/detect-external-names-mdns-broadcast.zeek Normal file
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# Test verifies that mDNS broadcasts are not logged by default.
# @TEST-EXEC: zeek -b -C -r $TRACES/dns/mdns.pcap %INPUT
# @TEST-EXEC: touch notice.log
# @TEST-EXEC: btest-diff notice.log
##! First test - no log
@load base/protocols/dns
@load policy/protocols/dns/detect-external-names
redef Site::local_zones += {"example.inalid"};
@TEST-START-NEXT
##! second test - should output log due to changed config
@load base/protocols/dns
@load policy/protocols/dns/detect-external-names
@load base/frameworks/config
redef Site::local_zones += {"example.inalid"};
event zeek_init()
{
print Site::local_nets;
Config::set_value("DNS::skip_resp_host_port_pairs", set());
}