[Oisf-users] Suricata NFQ in PREROUTING chain

Andreas Herz aherz at oisf.net
Tue May 28 19:51:30 UTC 2019


Hi Paul,

On 28/05/19 at 09:06, Pavel Stepanov wrote:
> When I do
> iptables -t mangle -F ; iptables -t mangle -A FORWARD -m mark ! --mark 0x1/0x1 -j NFQUEUE --queue-num 0
> /var/log/suricata/tls.log and /var/log/suricata/http.log shows all http and tls traffic normally.
> But when I do
> iptables -t mangle -F ; iptables -t mangle -A PREROUTING -m mark ! --mark 0x1/0x1 -j NFQUEUE --queue-num 0
> /var/log/suricata/tls.log and /var/log/suricata/http.log stops show anything anymore.

Is this the whole iptables setup?

We also had a request similiar to that at our redmine, see
https://redmine.openinfosecfoundation.org/issues/2742 where Victor also
mentioned that mangle table isn't meant for this purpose.

It might work but no guarantee.

-- 
Andreas Herz


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