[Bro-Dev] [JIRA] (BIT-788) Good analysis of unidirectional DNS flows
Jon Siwek (JIRA)
jira at bro-tracker.atlassian.net
Tue Mar 17 08:12:00 PDT 2015
[ https://bro-tracker.atlassian.net/browse/BIT-788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=19983#comment-19983 ]
Jon Siwek commented on BIT-788:
-------------------------------
Patch also seems fine to me, except in the condition where the analyzer is told to flip roles, maybe the values of "is_query" and "msg.is_query" should also flip.
> Good analysis of unidirectional DNS flows
> -----------------------------------------
>
> Key: BIT-788
> URL: https://bro-tracker.atlassian.net/browse/BIT-788
> Project: Bro Issue Tracker
> Issue Type: Patch
> Components: Bro
> Affects Versions: git/master
> Reporter: juliensentier
> Fix For: 2.4
>
> Attachments: 0011-Good-analysis-of-unidirectional-answer-DNS-traffic-f.patch
>
>
> Some use port udp 53 as a source port for dns requests.
> And sometimes, we can miss the DNS request.
> In this case, we can rely on the DNS field QR to identify the direction of the flow.
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