From owner-freebsd-hackers Wed Sep 11 20:31:24 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id UAA28207 for hackers-outgoing; Wed, 11 Sep 1996 20:31:24 -0700 (PDT) Received: from Kitten.mcs.com (Kitten.mcs.com [192.160.127.90]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id UAA28195 for ; Wed, 11 Sep 1996 20:31:21 -0700 (PDT) Received: from mailbox.mcs.com (Mailbox.mcs.com [192.160.127.87]) by Kitten.mcs.com (8.7.5/8.7.5) with SMTP id WAA10895; Wed, 11 Sep 1996 22:28:48 -0500 (CDT) Received: by mailbox.mcs.com (/\==/\ Smail3.1.28.1 #28.15) id ; Wed, 11 Sep 96 22:28 CDT Received: (from karl@localhost) by Jupiter.mcs.net (8.7.5/8.7.5) id WAA09803; Wed, 11 Sep 1996 22:28:46 -0500 (CDT) From: Karl Denninger Message-Id: <199609120328.WAA09803@Jupiter.mcs.net> Subject: Re: SYN Resisting (fwd) To: koshy@india.hp.com (A JOSEPH KOSHY) Date: Wed, 11 Sep 1996 22:28:46 -0500 (CDT) Cc: karl@Mcs.Net, freebsd-hackers@freebsd.org In-Reply-To: <199609120358.AA058320686@fakir.india.hp.com> from "A JOSEPH KOSHY" at Sep 12, 96 08:58:06 am X-Mailer: ELM [version 2.4 PL24] Content-Type: text Sender: owner-hackers@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > >>>> "Karl Denninger" writes > > Hi Karl, > > > This changes the startup connection timeout to 10 seconds, which should be > > more than enough on the Internet of today to prevent dropped links. 75 > > seconds is only needed if you're running across two pieces of wet string. > > I've seen very large startup times when attempting to connect to sundry > corners of the globe (> 30-45 seconds). I think reducing the connection > timeout isn't a good idea as it would impact the ability of FreeBSD to > connect to distant sites / sites accessible thru the congested links. > > Koshy Well, unless someone has a better idea, you can choose between that problem and the SYN floods..... I haven't seen that kind of connect time in a long, long while on the net backbones... but then again, I may be better connected here than most. -- -- Karl Denninger (karl@MCS.Net)| MCSNet - The Finest Internet Connectivity http://www.mcs.net/~karl | T1 from $600 monthly; speeds to DS-3 available | 23 Chicagoland Prefixes, 13 ISDN, much more Voice: [+1 312 803-MCS1 x219]| Email to "info@mcs.net" WWW: http://www.mcs.net/ Fax: [+1 312 248-9865] | Home of Chicago's only FULL Clarinet feed!