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

Y M snort at ...15979...
Wed Feb 6 05:35:14 EST 2013


If Snort is configured with reload option such as --enable-reload, then you can supply the -H argument to pulledpork whenever it is run. This will cause Snort to reload the new signatures processed by pulledpork without having to shutdown the Snort process. However, there are certain limits to what can be reloaded, such as dynamic libraries, output plugins, and other configurations from the snort.conf file.

YM
________________________________
From: Andy<mailto:a_w_smith at ...1396...>
Sent: ‎2/‎6/‎2013 1:27 PM
To: 'Heine Lysemose'<mailto:lysemose at ...11827...>
Cc: snort-users at lists.sourceforge.net<mailto:snort-users at ...3783...net>
Subject: Re: [Snort-users] Restart snort inline without traffic loss?

Hi,

I am already using pulledpork, how can I use this to help with my issues?

Thanks,
Andy.

> -----Original Message-----
> From: Heine Lysemose [mailto:lysemose at ...11827...]
> Sent: Tuesday, February 05, 2013 9:02 PM
> To: Andy
> Cc: snort-users at lists.sourceforge.net
> Subject: Re: [Snort-users] Restart snort inline without traffic loss?
>
> Hi Andy
>
> On Feb 5, 2013 9:30 PM, "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?
> >
> Have a look at Pulledpork,  http://code.google.com/p/pulledpork/, it will
> do this for you + a lot of other cool things.
> > 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.
> >
>
> Regards,
> Lysemose
> >
> > ------------------------------------------------------------------------
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