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Re: Network Variables
From: waldo kitty <wkitty42 () windstream net>
Date: Thu, 02 May 2013 15:35:25 -0400

On 5/2/2013 15:24, Seth Dunn wrote:
Yes, as James said, thanks for breaking it down. Very instructive.

you are welcome... sometimes we have to back up from the forest to see 
everything clearly and then we can take small bites out of its arse as needed :P

I have configured my bpf file as you suggested:: not (net (10.10.0.0/24 or
10.30.0.0/24) and host 10.75.45.1 and port 80)

Snort starts and is running, so I will watch it and see how things go.

good deal... and since you figured out the EoL problem was the culprit, i 
suggest you place some comment lines explaining what that object mask does for 
you just in case you have to add others and/or someone else needs to maintain 
the setup ;)

Since this is in a file, I don't have to do quotes there, only if I run it
from the command line. The problem with the bpf file was what Shane suggested
earlier, how the text editor was handling the end of line character.  Snort,
(I am guessing the bpf engine it uses) does not like the Windows style
characters...it is only configured for *nix style editors.  May be something
they want to address in future releases....because it is an odd problem and
one I didn't immediately think of (obviously)....especially since the
snort.conf file is read fine.

as i wrote to you in private, good catch on that... now we can only hope that 
the maintainers handle that problem so that it doesn't rear its head and bite 
someone else :)

Thanks again to all for the help and information on this....it has been very
enlightening.

i'm glad it has helped and i hope that others gain some insight, too :)

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