[Snort-users] VAR and IP lists

Mike Macias mike.macias at ...5336...
Sat Mar 30 08:56:15 EST 2002


I have a list of DNS servers defined in my snort.conf file like this:
var DNS_SERVERS [xx.xx.xx.xx,xx.xx.xx.xx]

Don't know about variable limits though.

Mike+

> Hi
>
> I have declared a variable for a list of addresses that I wanted to
ignore.
> (The list is much longer than what I have listed here)
>
> var SVCS 10.11.10.11 10.11.10.12 10.11.10.13
> var SVCS2 10.11.10.30 10.11.10.40 10.11.10.50
>
> Snort starts up fine without complaining. It does however miss some of
these
> IP addresses
> in the rules.
>
> What is the correct syntax for declaring variables with list of IP
> addresses? I used the
> example from Snort manual.
>
> What is the limit of IP addresses that can be assigned to a variable? I
had
> to chop the IP addresses after 70 and create a new variable. (I was trying
> to assign 300 IP addresses to a variable and Snort did not like that.) I
did
> not look for the IP address threshold for the variable but randomly picked
> 70 as the limit.
>
> Thank you in advance.
>
> Subba Rao
> sailorn at ...261...
>
>
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