[Snort-users] issue of installing Snort_2.8.4.1 and Barnyard2 in Ubunto 9.10

Markus Lude markus.lude at ...348...
Thu Mar 4 01:49:40 EST 2010

On Wed, Mar 03, 2010 at 11:27:29PM +0000, Jun Wan wrote:
> Hi,
> I am new to Snort, I followed the instructions on this url:  https://wwwx.cs.unc.edu/~hays/archives/work/index.php
> All went well until I reached the following stage:
>   "Now a quick test. Run the following and see if snort runs:
> sudo snort -c /etc/snort/snort.conf -i eth1"
> After running the command line above, I got the following outcomes:

> Initializing rule chains...
> ERROR: Undefined variable name: (/etc/snort/rules/bad-traffic.rules:27): EXTERNAL_NET

You seems to not have defined the variable EXTERNAL_NET. Looks at your


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