Date: Wed, 21 Apr 2004 23:01:36 +0200 From: des@des.no (=?iso-8859-1?q?Dag-Erling_Sm=F8rgrav?=) To: Mike Tancsa <mike@sentex.net> Cc: freebsd-security@freebsd.org Subject: Re: Other possible protection against RST/SYN attacks (was Re: TCP RST attack Message-ID: <xzp4qrdoxjj.fsf@dwp.des.no> In-Reply-To: <6.0.3.0.0.20040421163904.0738d960@209.112.4.2> (Mike Tancsa's message of "Wed, 21 Apr 2004 16:43:48 -0400") References: <6.0.3.0.0.20040420125557.06b10d48@209.112.4.2> <xzp65buh5fa.fsf@dwp.des.no> <6.0.3.0.0.20040420144001.0723ab80@209.112.4.2> <200404201332.40827.dr@kyx.net> <20040421111003.GB19640@lum.celabo.org> <6.0.3.0.0.20040421121715.04547510@209.112.4.2> <20040421165454.GB20049@lum.celabo.org> <6.0.3.0.0.20040421132605.0901bb40@209.112.4.2> <48FCF8AA-93CF-11D8-9C50-000393C94468@sarenet.es> <6.0.3.0.0.20040421161217.05453308@209.112.4.2> <75226E9B-93D3-11D8-90F9-003065ABFD92@mac.com> <6.0.3.0.0.20040421163904.0738d960@209.112.4.2>
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Mike Tancsa <mike@sentex.net> writes: > I am no IP expert, but I have been around long enough to know that > these default values get set only after long arduous debates and often > there are tradeoffs by raising or lowering a value. I guess I am > trying to find that original debate to see what I might be in for by > implementing this with my peers who request it. I think the default ttl of 64 was an arbitrary choice. You would probably be fine using 32, but any lower than that and you would start having trouble crossing oceans. DES --=20 Dag-Erling Sm=F8rgrav - des@des.no
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