[Snort-users] Restart snort inline without traffic loss?

Mitesh Jadia mitesh.jadia at ...11827...
Wed Feb 6 06:19:47 EST 2013

you can write one restart script.


- remove iptable entries targetting on nf_queue
- restart snort
- apply iptable entires targetting on nf_queue

On Wed, Feb 6, 2013 at 1:56 AM, Andy <a_w_smith at ...1396...> wrote:

> Hi,
> I am new to snort, I have it installed on a web server running inline mode
> with iptables, nfqueue, barnyard2 and snorby.
> I've downloaded the emerging threats rules, firstly all the rules are
> alerts, do I have to convert these to drop if I want to drop the traffic?
> Assuming I do, how do I restart snort without loosing good traffic,
> currently if I kill the process and restart I lose about 30 seconds of
> traffic while snort restarts, not good on an ecommerce site.
> I also would like a fail safe nfqueue bypass in case things go wrong, at
> the
> moment if snort goes down I also get locked out but its on a cron job to
> restart if its down for more than 1 minute.
> I need some advice please..
> Thanks.
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