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Bug #5134

open

DCERPC: dcerpc.iface keyword not using fast pattern/mpm causes severe performance degradation

Added by Peter Manev almost 3 years ago. Updated 5 months ago.

Status:
New
Priority:
Normal
Assignee:
OISF Dev
Target version:
TBD
Affected Versions:
5.0.8, 6.0.4, git master
Effort:
Difficulty:
Label:

Description

Please see attached for full comparison between 5.0.8 / 6.0.4 and master
The pcap used - https://redmine.openinfosecfoundation.org/attachments/2434

Files

dcerpc-perf-accuracy.txt (7.6 KB) dcerpc-perf-accuracy.txt Peter Manev, 02/19/2022 02:50 PM
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 #1

Updated by Lukas Sismis 5 months ago

Requires custom DCERPC Prefilter because the field is not content and supports masking and different operators.

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