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AF_PACKET isn't being enabled for zeek-live container capture #437

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mmguero opened this issue Mar 12, 2024 · 1 comment
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AF_PACKET isn't being enabled for zeek-live container capture #437

mmguero opened this issue Mar 12, 2024 · 1 comment
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@mmguero
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bug Something isn't working performance Related to speed/performance zeek Relating to Malcolm's use of Zeek
Milestone
v24.03.1

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@mmguero
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mmguero commented Mar 12, 2024 •
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It would appear that af_packet isn't being enabled for the zeek-live container for capture.

at first blush the issue is probably either one of two things:

  • support is not detected although I don't think this is it, as from what I can tell we default to "yes" if we can't explicitly tell that it's "no"
  • missing lb_custom interface prefix: i think this is the most likely. on hedgehog linux we are specifying this, but not in the container. I think i just need to move this code from here to zeekdeploy.sh so it's used on both.
@mmguero mmguero added bug Something isn't working zeek Relating to Malcolm's use of Zeek performance Related to speed/performance labels Mar 12, 2024
@mmguero mmguero self-assigned this Mar 12, 2024
@mmguero mmguero added this to the v24.03.1 milestone Mar 12, 2024
mmguero added a commit to mmguero-dev/Malcolm that referenced this issue Mar 12, 2024
@mmguero
for idaholab#437; for capture using the zeek-live container, af_packe…
b5f2d78 
…t isn't being used for capture. the issue was a missing `lb_custom.InterfacePrefix=af_packet::` line in zeekctl.cfg, which was being set in Hedgehog Linux but not in Malcolm's zeek Docker container. this fix makes sure that line is enabled in both Malcolm and Hedgehog for zeek live capture
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mmguero commented Mar 12, 2024

zeek-live container's zeek command line now looks like this:

/opt/zeek/bin/zeek -i af_packet::enp0s25 -U .status -p zeekctl -p zeekctl-live -p local -p worker-1-1 local /opt/zeek/share/zeek/site/extractor.zeek zeekctl base/frameworks/cluster zeekctl/auto

note the af_packet

@mmguero mmguero closed this as completed Mar 12, 2024
@mmguero mmguero added the falcon label Mar 18, 2024
This was referenced Mar 27, 2024
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bug Something isn't working performance Related to speed/performance zeek Relating to Malcolm's use of Zeek
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Malcolm
Status: Released
Milestone
v24.03.1
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