[Oisf-users] Issue using several interfaces with suricata 4.0.4

[Piquenot, Gaetan]

Thank you it worked.

I had to combine both solutions to make it working, so my sysconfig file(this file is called into the systemd unit file) is:
OPTIONS=”-i <IFACE1> … -i <IFACEN> --user suricata”

And my suricata.yaml is like you wrote it.


Regards.

--
Gaëtan Piquenot

From: Davide Setti [mailto:d.setti at certego.net]
Sent: Tuesday, August 21, 2018 3:56 PM
To: Piquenot, Gaetan
Cc: oisf-users at lists.openinfosecfoundation.org
Subject: Re: [Oisf-users] Issue using several interfaces with suricata 4.0.4

Hi Gaetan,

are you passing interfaces via command line or via config file?

Cause if you use a config file it should be pretty easier to setup multiple interfaces. I suppose you are using AF_PACKET, you just have to keep in mind to use different "cluster-id" for each interfaces:

af-packet:
  - interface: eth0
    cluster-id: 100
  - interface: eth1
    cluster-id: 101
  - interface: ethN
    cluster-id: 102

Then you should run:
suricata --af-packet -c <path-to-config>

Regards,
Davide


2018-08-21 15:30 GMT+02:00 Piquenot, Gaetan <gaetan.piquenot at airbus.com<mailto:gaetan.piquenot at airbus.com>>:
Hello,

I’m trying to make suricata sniffing onto 4 ifaces, but when I put several –i <IFACE NAME> into /etc/sysconfig/suricata (CentOS), I can’t run suricata and get following errors:

21/8/2018 -- 14:09:03 - <Warning> - [ERRCODE: SC_WARN_PCAP_MULTI_DEV_EXPERIMENTAL(177)] - using multiple devices to get packets is experimental.
{"timestamp":"2018-08-21T14:09:03.228795+0200","event_type":"engine","engine":{"message":"This is Suricata version 4.0.4 RELEASE"}}
{"timestamp":"2018-08-21T14:09:03.393105+0200","event_type":"engine","engine":{"message":"all 12 packet processing threads, 4 management threads initialized, engine started."}}
{"timestamp":"2018-08-21T14:09:03.449420+0200","event_type":"engine","engine":{"error_code":190,"error":"SC_ERR_AFP_CREATE","message":"Couldn't set fanout mode, error Invalid argument"}}
{"timestamp":"2018-08-21T14:09:03.455418+0200","event_type":"engine","engine":{"error_code":190,"error":"SC_ERR_AFP_CREATE","message":"Couldn't init AF_PACKET socket, fatal error"}}
{"timestamp":"2018-08-21T14:09:03.463594+0200","event_type":"engine","engine":{"error_code":171,"error":"SC_ERR_FATAL","message":"thread RX#01-ens225 failed"}}

I saw this old link https://lists.openinfosecfoundation.org/pipermail/oisf-users/2015-November/005412.html but my ifaces are configured  and if I use them one by one it’s working.

Cordialement.


--
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Davide Setti
R&D and Incident Response Team, Certego
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