[Oisf-devel] PF_RING missing alerts that PF_RING-enabled libpcap matches

Chris Wakelin c.d.wakelin at reading.ac.uk
Wed Jul 27 23:00:34 UTC 2011

On 27/07/2011 23:52, Will Metcalf wrote:
> We set the application name in suricata.  It's a PF_RING API call. I'm
> guessing libpcap doesn't do this?

No, though I did consider adding it as a patch; we got it to set
Cluster_ID and type from environment variables (PCAP_PF_RING_CLUSTER_ID,
PCAP_PF_RING_USE_CLUSTER_PER_FLOW) so that you could have clustering in
libpcap applications.

The application can't tell libpcap explicitly what it is as far as I
know, but you could (easy) pick it up from another user-specified
environment variable or (harder) work it out from the command line in
the environment.

Best Wishes,

Christopher Wakelin,                           c.d.wakelin at reading.ac.uk
IT Services Centre, The University of Reading,  Tel: +44 (0)118 378 8439
Whiteknights, Reading, RG6 2AF, UK              Fax: +44 (0)118 975 3094

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