[Oisf-users] A question about using suricata as an IPS

Victor Julien victor at inliniac.net
Sat Apr 2 10:26:00 UTC 2011

On 04/01/2011 07:32 PM, carlopmart wrote:
> Uhmm .. It doesn't works. I have tried:
> a) iptables -i ipsif0 -A FORWARD -j NFQUEUE --queue-num 0
> b) iptables -A FORWARD -i ipsif0 -j NFQUEUE --queue-num 0
>     iptables -A FORWARD -o ipsif0 -j NFQUEUE --queue-num 0
> c) iptables -A FORWARD -j NFQUEUE --queue-num 0

Try looking at the output of "iptables -vnL", this lists the rules with
hit counters, it should show you what rules receive traffic.

> With these rules, suricata doesn't see traffic. If I change "-q 0" to 
> "-i ipsif0", suricata sees traffic.

With -i you just run in IDS mode.

> What am i doing wrong?? Suricata is 1.1beta1.

I suspect your iptables configuration isn't right.

Victor Julien
PGP: http://www.inliniac.net/victorjulien.asc

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