Re: newbie question about $HOME_NET

[JJ Cummings <cummingsj () gmail com>]

In that case, you still want your $HOME_NET variable set to your network
block that you are "protecting".  But you should set your $EXTERNAL_NET to
any.. this will let you see internal attacks against internal hosts (of
course this assumes that you have your SPAN session / TAP setup to see this
internal traffic).

On Mon, Oct 5, 2009 at 8:11 AM, Daniel Qian <daniel.qian () supracanada com>wrote:

> I am implementing Snort on our hosting network at the point where our two
> IPS links are connected - all traffic flowing on the two VLANs for ISPs are
> SPANed to the snort sniffing port.
>
> Some documents recommend setting $HOME_NET to my network block and a lot of
> detection rules actually have reference to this variable. The question is,
> if I want to detect bad traffic originating from a compromised host on my
> network should this variable be set to the default ANY? or is it common and
> proper way in this situation?
>
> Thanks in advance
> Daniel
>
>
>
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