[Bro-Dev] [JIRA] (BIT-1167) Add subnet support to intel framework

Vern Paxson (JIRA) jira at bro-tracker.atlassian.net
Thu Mar 27 20:17:39 PDT 2014

    [ https://bro-tracker.atlassian.net/browse/BIT-1167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15905#comment-15905 ] 

Vern Paxson commented on BIT-1167:

I don't know if this is the issue Robin had in mind, but one thing about subnets as table indexes is that they can overlap (two indices, one of which is a superset of the other), introducing ambiguity.

> Add subnet support to intel framework
> -------------------------------------
>                 Key: BIT-1167
>                 URL: https://bro-tracker.atlassian.net/browse/BIT-1167
>             Project: Bro Issue Tracker
>          Issue Type: Patch
>          Components: Bro
>    Affects Versions: 2.2
>            Reporter: Brian Little
>            Priority: Low
>              Labels: intel, subnet
>         Attachments: bro-intel-subnet.patch
> Here is a patch to add Intel::NET data as a type to search on. This allows adding whole subnets to the intel data rather than just individual addresses.
> I have also updated the btest.
> I'm not sure if the lookup is the best way of doing it - currently if loops through each subnet and then checks if the host is part of each. Is it possible to do it in a more efficient way?

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