Re: PF_RING and DNA with Snort

[Scott Finlon <scott.finlon () scranton edu>]

If you are actually using DNA, you need to specify that in your interface
list.
Instead of eth0:eth1, it would be dna0:dna1.
When you install the DNA drivers, it modifies the interface names.

Scott Finlon, CISSP, GCIA
-----------------------------------
Information Security Engineer
The University of Scranton
email : scott.finlon () scranton edu
phone : 570-941-6168
-----------------------------------






On 8/16/13 1:35 PM, "Avery Rozar" <Avery.Rozar () i-techsupport com> wrote:

> I finally got snort running with pf_ring daq.
>
> /usr/sbin/snort -Q -D -i eth0:eth1 -u snort -g snort -c
> /etc/snort/snort.conf -l /var/log/snort
>
>
> But it's not passing any traffic. If I use afpacket, it works as expected.
>
> I'm running snort as a daemon, but I get the same when I run it form the
> command line. I installed the driver from the following directory.
>
> /PF_RING-5.6.0/drivers/PF_RING_aware/intel/igb/igb-4.1.2/src/
>
> Here is my daq from fog fronn snort.conf
>
> config daq: pfring
> config daq_dir: /usr/local/lib/daq
> config daq_mode: inline
> config daq_var: clusterid=10,11,12,13
>
>
> snort --daq-list=/usr/local/lib/daq/
>
> Available DAQ modules:
> pfring(v1): live inline multi unpriv
> pcap(v3): readback live multi unpriv
> ipfw(v3): live inline multi unpriv
> dump(v2): readback live inline multi unpriv
> afpacket(v4): live inline multi unpriv
>
>
>
> This is from /etc/sysconfig/snort
>
> QUEUE=1
> INTERFACE=eth0:eth1
> CONF=/etc/snort/snort.conf
>
>
> pf_ring module that was loaded
>
> pf_ring.ko enable_tx_capture=1 min_num_slots=8192 transparent_mode=2
>
>
> Output from pfcount
>
> ./pfcount -i eth0
>
> Using PF_RING v.5.6.0
> Capturing from eth0 [00:E0:ED:25:A8:48][ifIndex: 8]
> # Device RX channels: 1
> # Polling threads:    1
> Dumping statistics on /proc/net/pf_ring/stats/6244-eth0.14
> =========================
> Absolute Stats: [0 pkts rcvd][0 pkts filtered][0 pkts dropped]
> Total Pkts=0/Dropped=0.0 %
> 0 pkts - 0 bytes
> =========================
>
> =========================
> Absolute Stats: [1 pkts rcvd][1 pkts filtered][0 pkts dropped]
> Total Pkts=1/Dropped=0.0 %
> 1 pkts - 84 bytes [1.00 pkt/sec - 0.00 Mbit/sec]
> =========================
> Actual Stats: 1 pkts [1'000.09 ms][1.00 pps/0.00 Gbps]
> =========================
>
> =========================
> Absolute Stats: [2 pkts rcvd][2 pkts filtered][0 pkts dropped]
> Total Pkts=2/Dropped=0.0 %
> 2 pkts - 168 bytes [1.00 pkt/sec - 0.00 Mbit/sec]
> =========================
> Actual Stats: 1 pkts [1'000.09 ms][1.00 pps/0.00 Gbps]
> =========================
>
> =========================
> Absolute Stats: [3 pkts rcvd][3 pkts filtered][0 pkts dropped]
> Total Pkts=3/Dropped=0.0 %
> 3 pkts - 252 bytes [1.00 pkt/sec - 0.00 Mbit/sec]
> =========================
> Actual Stats: 1 pkts [1'000.08 ms][1.00 pps/0.00 Gbps]
> =========================
>
>
>
>
>
>
>
> On 8/15/13 1:51 PM, "Avery Rozar" <Avery.Rozar () i-techsupport com> wrote:
>
> > Yea I did see that this morning as I read the prerequisites. Thanks for
> > your help, I did get pf_ring working properly. Now I just think I'm
> > having
> > issues with the Silicom card, I'm not passing traffic..
> >
> >
> > On 8/15/13 1:41 PM, "Tim Covel" <tcovel () metaflows com> wrote:
> >
> > > I'm pretty sure you still need the normal daq installed, it's listed as
> > > prerequisite for the pfring-daq-module. Also the normal daq install
> > > provides other modules, such as afpacket, which can be really useful in
> > > testing.
> > >
> > > -Tim
> > >
> > > On 08/15/2013 04:12 AM, Avery Rozar wrote:
> > > > Thanks Tim.
> > > >
> > > > Do you know if its still necessary to install daq 2.0.1, or should I
> > > > just
> > > > used the daq install from "PF_RING/userland/snort/pfring-daq-module/"?
> > > >
> > > > Thanks.
> > > >
> > > > On 8/14/13 4:26 PM, "Tim Covel" <tcovel () metaflows com> wrote:
> > > >
> > > > > It looks like in newer versions of PF_RING you have to specify
> > > > > multiple
> > > > > clusterid values when using inline mode:
> > > > >
> > > > > pfring-daq-module/README.1st suggests: "--daq-var clusterid=10,11" in
> > > > > the IPS example.
> > > > >
> > > > > and also explains the clusterid var as:
> > > > > "--daq-var clusterid=<comma separated id list>
> > > > > where an id is a number (i.e. the clusterId), one for each
> > > > > interface."
> > > > >
> > > > > It also looks like you are not currently using DNA interfaces, you
> > > > > need
> > > > > to make sure to load the correct driver (PF_RING/drivers/DNA/<driver
> > > > > version>) and start snort using the DNA interfaces the driver creates
> > > > > if
> > > > > you want to use DNA.
> > > > >
> > > > > -Tim
> > > > >
> > > > > On 08/14/2013 12:18 PM, Avery Rozar wrote:
> > > > > > Is there an up to date example of using pfring, and dan with Snort?
> > > > > >
> > > > > > I used the metaflows example, and am running into issues when trying
> > > > > > to
> > > > > > run snort
> > > > > >
> > > > > > Using this I get an error
> > > > > > snort -c /etc/snort/snort.conf -A console -y -i eth0:eth1 --daq-dir
> > > > > > /usr/local/lib/daq --daq pfring --daq-var clusterid=10 --daq-mode
> > > > > > inline
> > > > > > ­Q
> > > > > >
> > > > > > pfring DAQ configured to inline.
> > > > > > eth0 <-> eth1
> > > > > > ERROR: Can't initialize DAQ pfring (-1) - pfring_daq_initialize: not
> > > > > > enough cluster ids (1)
> > > > > >
> > > > > > Fatal Error, Quitting..
> > > > > >
> > > > > >
> > > > > > And using this I get an error
> > > > > > snort -c /etc/snort/snort.conf -A console -y -i eth0:eth1 --daq-dir
> > > > > > /usr/local/lib/daq --daq pfring --daq-mode inline ­Q
> > > > > >
> > > > > > pfring DAQ configured to inline.
> > > > > > eth0 <-> eth1
> > > > > > ERROR: Can't initialize DAQ pfring (-1) -
> > > > > > Fatal Error, Quitting..
> > > > > >
> > > > > >
> > > > > > Any help would be great!
> > > > > >
> > > > > >
> > > > > >
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