[Snort-users] Snort not seeing traffic

Pratik Narang pratik.cse.bits at ...11827...
Tue Aug 28 00:01:52 EDT 2012


It is in Bridged mode.

On Mon, Aug 27, 2012 at 7:26 PM, Jeremy Hoel <jthoel at ...11827...> wrote:
> How is the interfact between the VM gues and host setup?  Private LAN?
>  NAT?  Bridged?
>
> On Mon, Aug 27, 2012 at 6:01 AM, Pratik Narang
> <pratik.cse.bits at ...11827...> wrote:
>> I have three machines on my test bed- A, B and C. Snort runs on A.
>> B and C both have a VM running as well.
>> I am unable to understand why Snort is not seeing the traffic that is
>> flowing between machine B/VM on B/machine C/VM on C and the internet.
>>
>>  Snort.conf clearly says-
>> # Setup the network addresses you are protecting
>> ipvar HOME_NET [172.16.x0.0/24]
>>
>> # Set up the external network addresses. Leave as "any" in most situations
>> ipvar EXTERNAL_NET any
>>
>> I tried doing packet captures in promiscuous mode on A. Even Wireshark
>> doesn't see that traffic from those machines to the internet. So it
>> doesn't seem to be any problem with Snort but with my settings.
>>
>> What am I doing wrong?
>>
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