Snort mailing list archives

Fwd: IPS Inline Mode


From: Erdem Çulcu <erdem () boryazilim com>
Date: Fri, 20 Jun 2014 13:43:24 +0300

---------- Forwarded message ----------
From: Erdem Çulcu <erdem () boryazilim com>
Date: Fri, Jun 20, 2014 at 1:42 PM
Subject: Re: [Snort-users] IPS Inline Mode
To: Meysam Farazmand <farazmand.meisam () gmail com>


Hi Meysam,

I installed these libs  and  libdnet-1.12.

[image: Inline image 1]

And I run --daq-list command

Available DAQ modules:
pcap(v3): readback live multi unpriv
nfq(v7): live inline multi
ipfw(v3): live inline multi unpriv
dump(v2): readback live inline multi unpriv
afpacket(v5): live inline multi unpriv

Snort gives this response.

On Fri, Jun 20, 2014 at 12:32 PM, Meysam Farazmand <
farazmand.meisam () gmail com> wrote:

Hi Erdem,

Did you installed nfq library from netfilter.org?
On Jun 20, 2014 1:55 PM, "Erdem Çulcu" <erdem () boryazilim com> wrote:

Hi,

I am new on Snort

I installed with guide and run IDS mode.

I have two problems.

Firstly, Snort handle only host machine packets. I write some rules
example:
alert tcp any any -> any any (content:"www.facebook.com";msg:"Facebook
Accessing";sid:1000001;)

This rule works only machine which installed Snort. Other machines
accesses are not handled.

Other problem is Inline Mode.

I run with this command

snort --daq nfq -Q -c /etc/snort/snort.conf  --daq-dir /usr/local/lib/daq
--daq-var device=eth0 -i eth0

Snort gives this error

ERROR: Can't initialize DAQ nfq (-7) - The nfq DAQ module does not
support interface or readback mode!

If I remove "-i eth0", Snort works but do not handle any packets

Thanks for replies

Good Works


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