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Feature #3165
closedNew rule keyword: dns.opcode; For matching on the the opcode in the DNS header.
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Added by Jason Ish about 6 years ago. Updated about 6 years ago.
Merged into master.
Pull request:
https://github.com/OISF/suricata/pull/4206
Commit:
d79c23baa3a16c7faf5136741ef0f769dab4d1b5