[Snort-users] Snort and Proxmox

Jeremy Hoel jthoel at ...11827...
Mon Jan 28 14:57:50 EST 2013


Ok, so snort is up, and you say its seeing all packets, but the rules
aren't firing?  What is your snort output set as?  Hve you tried using
syslog or portfast just so you can see the output vs it going to a
binary file?

Also, please reply to the list, so that others might be able to chime
in or help out.

On Mon, Jan 28, 2013 at 7:55 PM, Josh Bitto <jbitto at ...16055...> wrote:
> Ok I got that working again....On to my original issue.....Yes I was able to do a tcpdump on both interfaces (WAN and LAN) they both are listening to packets.
>
> -----Original Message-----
> From: Jeremy Hoel [mailto:jthoel at ...11827...]
> Sent: Monday, January 28, 2013 11:33 AM
> To: Josh Bitto
> Subject: Re: [Snort-users] Snort and Proxmox
>
> Check the system logs to see if it gives you an error message.  If it's set to start, but then isn't running after boot, it probably failed for some reason. Snort is pretty good about telling you why it stopped.
>
> On Mon, Jan 28, 2013 at 7:19 PM, Josh Bitto <jbitto at ...16055...> wrote:
>> Well to further my problem......Last week it was working fine. I come in this morning to start working and start up the VM's and I'm showing the service not even running in PFsense. I restart everything even reinstall the snort package. Even on boot up it shows snort service started......but looking at top and also via the web gui it actually isn't running.....Any ideas?
>>
>>
>>
>>
>> -----Original Message-----
>> From: Jeremy Hoel [mailto:jthoel at ...11827...]
>> Sent: Monday, January 28, 2013 11:13 AM
>> To: Josh Bitto
>> Cc: snort-users at lists.sourceforge.net
>> Subject: Re: [Snort-users] Snort and Proxmox
>>
>> You should start with running TCPdump on the listening interface on the snort box to make sure it's seeing the packets you expect it to see.
>>
>>
>>
>> On Mon, Jan 28, 2013 at 5:12 PM, Josh Bitto <jbitto at ...16055...> wrote:
>>> Hello Everyone,
>>>
>>>
>>>
>>> I'm new on using snort and I'm needing to lean on your expertise.
>>> We've decided to use snort on our network and in doing so I've setup
>>> a small test lab away from the actual network to see how this IDS works.
>>> So here's the problem.....I can't get snort to show any logs. I want
>>> to be able to see if it's actually working or not.
>>>
>>>
>>>
>>> I set up a stand-alone server with proxmox on it.
>>>
>>>
>>>
>>> Created 2 VM's
>>>
>>>
>>>
>>> One is Pfsense
>>>
>>> The other is just a xp machine.
>>>
>>>
>>>
>>> In proxmox interface.conf looks like this.
>>>
>>>
>>>
>>> Config looks like this:
>>>
>>> Auto lo
>>>
>>> Iface lo inet loopback
>>>
>>>
>>>
>>> Auto VMbr0
>>>
>>> Iface vmbr0 inet static
>>>
>>>                 Address 192.168.3.15
>>>
>>>                 Netmask  255.255.252.0
>>>
>>>                 Gateway 192.168.1.1
>>>
>>>                 Bridge_ports eth0
>>>
>>>                 Bridge_stp off
>>>
>>>                 Bridge_fd 0
>>>
>>>
>>>
>>> Auto vmbr1
>>>
>>> Iface vmbr1 inet manual
>>>
>>>                 Bridge_ports eth1
>>>
>>>                 Bridge_stp off
>>>
>>>                 Bridge_fd 0
>>>
>>>
>>>
>>>
>>>
>>> I did everything to spec in pfsense....its pretty straight forward.
>>>
>>> 1.       Setup the interface on pfsense to match in proxmox
>>>
>>> 2.       Downloaded the snort package
>>>
>>> 3.       Obtained a oinkmaster code
>>>
>>> 4.       Created the WAN interface in snort.
>>>
>>> 5.       Checked ALL the rules to activate them.
>>>
>>> 6.       Even restarted both pfsense and the snort service.
>>>
>>>
>>>
>>> I just for some reason can't get the darn thing to log events....as a
>>> test. I activated teamviewer rules and tried to block an event and
>>> couldn't get it to do that. So my thinking is....Its somewhere at the
>>> interface. I just don't know what I need to do. Any help would be greatful!
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> Josh
>>>
>>>
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