Snort mailing list archives
RE: Proper Method and/or Place to Declare HTTP_SERV ERS port?
From: "Kreimendahl, Chad J" <Chad.Kreimendahl () umb com>
Date: Thu, 9 May 2002 09:13:36 -0500
Actually, I think it would be a wonderful idea for the entire set of snort sigs that contain source or dest port as 80 to be change to a variable. We've also set up several other variables based on the fact that different services have different ports in varying parts of our network... so one hard-coded port wouldn't work for us. It's worked out very well. -----Original Message----- From: Vadim Pushkin [mailto:wiskbroom () hotmail com] Sent: Wednesday, May 08, 2002 4:18 PM To: erek () theadamsfamily net Cc: snort-users () lists sourceforge net Subject: Re: [Snort-users] Proper Method and/or Place to Declare HTTP_SERVERS port? In this case I will create another var, say var HTTP_SERVERS_PORT, set it to 8180 and change 80 in the rules files to $HTTP_SERVERS_PORT. Does anyone see a problem with this? Thanks again, Vadim
From: Erek Adams <erek () theadamsfamily net> To: Vadim Pushkin <wiskbroom () hotmail com> CC: snort-users () lists sourceforge net Subject: Re: [Snort-users] Proper Method and/or Place to Declare HTTP_SERVERS port? Date: Wed, 8 May 2002 14:06:09 -0700 (PDT) On Wed, 8 May 2002, Vadim Pushkin wrote:I am using port 8180 versus port 80. I would prefer not messing aroundwithall of the rules files. I've noticed that the rules files themselvesspecifyport 80, but my servers are listening on port 8180. Is there a way tochangethis in the snort.conf file? I've tried setting: preprocessor http_decode: 8180 -unicode -cginull but I still get alarms for hosts possibly port scanning my HTTP_SERVERS.And you will continue to. :) The http_decode preprocessor has _nothing_ to do with the rules. It strictly deals with 'normalizing' the URLs before snort runs them thru the rulesets. You'll need to manually (or via a script) change port 80 in each of the *.rules to port 8180. Cheers! ----- Erek Adams Nifty-Type-Guy TheAdamsFamily.Net
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- RE: Proper Method and/or Place to Declare HTTP_SERV ERS port? Kreimendahl, Chad J (May 09)