IDS mailing list archives
Re: newbie quetsions
From: Dave Aitel <dave () immunitysec com>
Date: Fri, 31 Dec 2004 00:14:30 -0500
Although, keep in mind, Snort completely fails the CRI test, and does horrible TCP reassembly, let alone SMB or MSRPC reassembly. It just isn't up to the job of detecting an attacker who's gone to some work to bypass this sort of thing.
Dave Aitel Immunity, Inc. Harper, Patrick wrote:
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Snort is a good option (in my opinion) for any size business. The larger the deployment the better you need to be at using it. The box your running now for your gateway might be a little light for the job, you might want to look at a faster system but you do not need a fast server or anything for a deployment your size. Remember IDS's require tuning, out of the box they are all pretty much useless because they will just overload you with info that does not matter and you will either stop watching or uninstall it because you think it is useless. Tune the rule set for your deployment. If your running an IIS server internally then you do not need the apache rules. If you are an oracle shop then you do not need most of the MSSQL rules. Learn how to threshold and suppress as needed.There are several good books out on snort. The Syngress book is written by people that know Snort inside and out like Brian Caswell. http://www.bookpool.com/.x/pizrqesaor/sm/1931836744 Hope that helps, I am a little biased to the snort side of the world but that is only because it has done me well for so long. - -----Original Message-----From: Andrey Todorov [mailto:andreyt () gawab com] Sent: Friday, December 24, 2004 9:08 AMTo: focus-ids () securityfocus com Subject: newbie quetsions Hi People, I tried several times to subscribe myself to "Security Basics"mailing list to ask my questions, but didn't succeed. Excuse me if my questions aren't adequate to "Focus IDS" mailing list!I'll be very gratefull if you share your opinion with me for the following situation. I have small network (5 PCs) behind one Linux box (iptables firewall , Pentium I 166Mhz, 32MB RAM, 4GB HDD) and want toincrease security for this network. 1. Do I need IDS?2. What do you think about Snort? Can I find easy maintainable free/opensource IDS then Snort?3. What IDS literature should I read? Thank you in advance! Andrey - ---------------------------------------------------------------------- - ---- Test Your IDS Is your IDS deployed correctly? Find out quickly and easily by testing it with real-world attacksfrom CORE IMPACT.Go tohttp://www.securityfocus.com/sponsor/CoreSecurity_focus-ids_040708 to learn more.- ---------------------------------------------------------------------- - ---- -----BEGIN PGP SIGNATURE----- Version: PGP 8.1 iQA/AwUBQdF3kJiWafDb7+B/EQI6tgCfV2rP2l2PUMxHzj2XSK/d/ncQB94AoOW1 2fp7hsiFLetlfReGfdqt1r+m =LBep -----END PGP SIGNATURE----- Disclaimer:This electronic message, including any attachments, is confidential and intended solely for use of the intended recipient(s). This message may contain information that is privileged or otherwise protected from disclosure by applicable law. Any unauthorized disclosure, dissemination, use or reproduction is strictly prohibited. If you have received this message in error, please delete it and notify the sender immediately.-------------------------------------------------------------------------- Test Your IDS Is your IDS deployed correctly?Find out quickly and easily by testing it with real-world attacks from CORE IMPACT. Go to http://www.securityfocus.com/sponsor/CoreSecurity_focus-ids_040708 to learn more.--------------------------------------------------------------------------
-------------------------------------------------------------------------- Test Your IDS Is your IDS deployed correctly?Find out quickly and easily by testing it with real-world attacks from CORE IMPACT. Go to http://www.securityfocus.com/sponsor/CoreSecurity_focus-ids_040708 to learn more.
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Current thread:
- newbie quetsions Andrey Todorov (Dec 27)
- Re: newbie quetsions GuidoZ (Dec 27)
- Re: newbie quetsions ken_i_m (Dec 30)
- Re: newbie quetsions Fabien Degouet (Dec 30)
- RE: newbie quetsions Randy Golly (Dec 30)
- RE: newbie quetsions zekker (Dec 30)
- <Possible follow-ups>
- RE: newbie quetsions Harper, Patrick (Dec 30)
- Re: newbie quetsions Dave Aitel (Dec 30)