Date: Sat, 27 May 2000 14:50:14 +0200 From: Sameh Ghane <sw@anthologeek.net> To: Sam Habash <the@llama.com> Cc: stable@freebsd.org Subject: Re: making 4.0 DOS resistant Message-ID: <20000527145013.C90356@anthologeek.net> In-Reply-To: <Pine.BSF.4.10.10005270534420.24479-100000@best.llama.com>; from the@llama.com on Sat, May 27, 2000 at 05:35:24AM -0700 References: <20000526231337.T86725@jade.chc-chimes.com> <Pine.BSF.4.10.10005270534420.24479-100000@best.llama.com>
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Le Sat, May 27, 2000 at 05:35:24AM -0700, Sam Habash ecrivit: > I wonder if anybody has incoroprated support for syncookies a la linux. /usr/src/sys/i386/conf/LINT: # ICMP_BANDLIM enables icmp error response bandwidth limiting. You # typically want this option as it will help protect the machine from # D.O.S. packet attacks. # options ICMP_BANDLIM You could also try: options TCP_DROP_SYNFIN #drop TCP packets with SYN+FIN options TCP_RESTRICT_RST #restrict emission of TCP RST if you run an IRC server or such a thing. -- Sameh. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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