Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine developed by the OISF and the Suricata community.
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Victor Julien 0b262cbfda dns: optimize tx list walks
The detection engine and log engines can walk the tx list indirectly,
by looping AppLayerParserGetTx. This would lead to new list walks in
the DNS tx list though. Leading to bad performance.

This patch stores the last returned tx and uses that to determine if
the next tx is what we need next. If so, we can return that w/o list
walk.
10 years ago
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