Date: Mon, 29 Aug 2005 02:41:39 -0400 From: Chuck Swiger <cswiger@mac.com> To: vladone <vladone@spaingsm.com> Cc: freebsd-questions@freebsd.org Subject: Re: how to know if i'm under flood? Message-ID: <4312AE23.6010003@mac.com> In-Reply-To: <1594562973.20050828195814@spaingsm.com> References: <1905744288.20050827224121@spaingsm.com> <4310C64B.2060807@mkproductions.org> <333541280.20050827235941@spaingsm.com> <003201c5ab59$673d5940$030a000a@IBMTWAQPEF2DWZ> <1594562973.20050828195814@spaingsm.com>
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vladone wrote: > If u have more experience, please give some example about what sysctl > variable to set, and wich ipfw rules can prevent DoS. If your inbound pipe(s) are saturated due to DoS flood traffic, there is very little you can do about it locally. You have to get your ISP to filter upstream to do any real good. Or be prepared to renumber your IP addresses to a new netblock in order to dodge the DoS. -- -Chuck
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