[Snort-users] Snort IGNORES var HOME_NET

Leonardo Alcantara Moreira leonardo at ...5737...
Fri May 3 10:09:07 EDT 2002


On Fri, 3 May 2002 09:18:53 GMT
<counterping at ...5767...> wrote:

> Hiya,
> 
> I am fairly new to the world of Snort and hopefully someone maybe able to help 
> me out: (1.83 ver)
> 
> I have set up several networks within the home_net variable under snort.conf
> var HOME_NET 
> [64.6.189.0/24,172.16.10.0/24,10.10.60.10/24,10.10.30.0/16,192.168.10.0/24,192.1
> 68.20.0/24]
> 
> However, SNORT seems to IGNORE these networks as my Home Networks and send 
> alarms for HOME to HOME intrusions.
> 
> For example,
> I am still seeing lots of alarms from my 172.16.10.0 home network to my 
> 10.10.30.0 home network,
> If a particular rule specifies EXTERNAL_NET -> HOME_NET surely I should NOT get 
> alerted when the packet is sent from my home network to another home network ?
> i.e 172.16.10.35 -----> 10.10.30.10
> 
> Any help would be greatly appreciated
> 

	What is your EXTERNAL_NET definition ??? Does it include this networks ???
Probably u left the default "any". And that means really ANY, including your home
nets. You should try !$HOME_NET as a safe bet.

      Best regards,


	Leonardo Alcantara




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