[Snort-users] Basics of setting up an inline snort installation

Heine Lysemose lysemose at ...11827...
Thu Feb 9 12:49:22 EST 2012


You need to set the two interfaces in promiscuous mode.
I haven't got a guide right here. But try google Snort inline or look in
the Snort manual...

/Lysemose
On Feb 9, 2012 6:34 PM, "Dave Kelly" <bigdavekelly at ...14012...> wrote:

> Thanks, that might make a bit more sense!  So the two interfaces that
> are bridging don't need IP addresses?  I haven't seen a guide to
> setting this up anywhere, do you know of one?
>
> Dave.
>
> On Thu, Feb 9, 2012 at 4:21 PM, Heine Lysemose <lysemose at ...11827...> wrote:
> > Hi,
> >
> > To setup Snort as inline you need 3 network interface and pass your
> traffic
> > through a bridge between 2 of the interfaces and a 3. for administration.
> > You can start Snort with -Q to enable inline.
> >
> > /Lysemose
> >
> > On Feb 9, 2012 4:23 PM, "Dave Kelly" <bigdavekelly at ...14012...>
> wrote:
> >>
> >> Hello,
> >>
> >> I'm going to try setting up a new inline configuration, I've only
> >> tried passive before but would like Snort to be able to drop packets
> >> it says are bad.  I'm trying to work out the IP addressing for it. At
> >> the moment, I have all my machines in 192.168.1.0/24 with a router at
> >> 192.168.1.1 and a mirrored port on the switch sending all traffic to
> >> snort.
> >>
> >> It's pretty similar to the Ubuntu getting started guide in the docs
> >> ("Snort 2.9.2.0 on Ubuntu 10.04 LTS").
> >>
> >> I think that to move snort to inline I'm going to need to give it a
> >> proper IP address and have the traffic pass through it but I can't
> >> quite work out how to do that without reconfiguring all the hosts to
> >> have new gateway addresses etc.  Any hints to get me going would be
> >> much appreciated.
> >>
> >> Dave.
> >>
> >>
> >>
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> ------------------------------------------------------------------------------
> Virtualization & Cloud Management Using Capacity Planning
> Cloud computing makes use of virtualization - but cloud computing
> also focuses on allowing computing to be delivered as a service.
> http://www.accelacomm.com/jaw/sfnl/114/51521223/
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