Snort mailing list archives
Re: newbie-writing rules help
From: Erek Adams <erek () theadamsfamily net>
Date: Mon, 22 Jul 2002 14:14:30 -0700 (PDT)
On Mon, 22 Jul 2002, charella constansia wrote:
hai, I hav a question! I'm a newbie so maybe this sounds like a stupid question to you but please help me. I want to write some rules. I problem is that I have a server and only certain activities are allowed. For example only traffic from the outside going to port :80,23,8000,8001,8002 and a few more are allowed. How must I define this; I thought of: alert tcp any anu -> any 1[80,23,8000,8001,8002] (msg:"Er";) Is this good. I looked in the Snort users manual but I couldn't find the answer.
If I'm correct you meant to write: alert tcp any any -> any ![80,23,8000,8001,8002] (msg:"Er";) If so... Sorry, that won't work. Snort does not handle port lists at the moment, so you can't use a list of any sort to define that. Now, keep in mind snort will only 'alert' you. It's not a firewall or a packet filter. There are other programs that you should use if that's what you want to do. Cheers! ----- Erek Adams Nifty-Type-Guy TheAdamsFamily.Net ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Snort-users mailing list Snort-users () lists sourceforge net Go to this URL to change user options or unsubscribe: https://lists.sourceforge.net/lists/listinfo/snort-users Snort-users list archive: http://www.geocrawler.com/redir-sf.php3?list=snort-users
Current thread:
- RE: newbie-writing rules help McCammon, Keith (Jul 22)
- <Possible follow-ups>
- newbie-writing rules help charella constansia (Jul 22)
- Re: newbie-writing rules help Erek Adams (Jul 22)
- Re: newbie-writing rules help Matt Kettler (Jul 22)