[Oisf-users] Suricata causes massive packet loss

Nelson, Cooper cnelson at ucsd.edu
Thu Sep 5 16:56:01 UTC 2019

Good catch Mr. Manev!   This means he is not using the autofp runmode, which is recommend for inline deployments.


-----Original Message-----
From: Peter Manev <petermanev at gmail.com> 
Sent: Thursday, September 5, 2019 12:20 AM
To: Nelson, Cooper <cnelson at ucsd.edu>
Cc: peter.mueller at ipfire.org; oisf-users at lists.openinfosecfoundation.org; IPFire: Development-List <development at lists.ipfire.org>
Subject: Re: [Oisf-users] Suricata causes massive packet loss

Hi Peter,

I also noticed  a couple of things that i think could be tried out to see if they improve the situation:

- use rust, some of the major protos (like dns) have rust implementation
- use libhtp v0.5.30 , noticed your current one is v0.5.28

What exactly is your setup/start commands etc?
I noticed in your log -
tcp.pkt_on_wrong_thread                       | Total
   | 30622

Thank you

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