Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!A.ISI.EDU!PADLIPSKY From: PADLIPSKY@A.ISI.EDU (Michael Padlipsky) Newsgroups: comp.protocols.tcp-ip Subject: Re: SO_KEEPALIVE considered harmful? Message-ID: <12496910214.26.PADLIPSKY@A.ISI.EDU> Date: 25 May 89 22:18:05 GMT References: <20761@news.Think.COM> Sender: daemon@ucbvax.BERKELEY.EDU Organization: The Internet Lines: 14 In the context of crashes/reboots, the TCP Initial Sequence Number magic is SUPPOSED to save you from "embarrassment" (or so it says here). In the context of Telnet, periodic phoney traffic is completely counter to the desire/necessity for certain Hosts to abort inactive connections (lest, e.g., a terminal be borrowed by an unauthorized user when the authorized user broke coffee too long)--unless, of course, such traffic is never "seen" by the relevant timer-outer. cheers, map Past President, IHK-A's (unless Phil Karn started agitating against 'em before I wrote what became p. 151 of The Book) -------