Date: Fri, 25 Jul 1997 15:28:46 +0930 (CST) From: Michael Smith <msmith@atrad.adelaide.edu.au> To: terry@lambert.org (Terry Lambert) Cc: chat@freebsd.org Subject: Re: (over)zealous mail bouncing Message-ID: <199707250558.PAA20387@genesis.atrad.adelaide.edu.au> In-Reply-To: <199707242321.QAA18495@phaeton.artisoft.com> from Terry Lambert at "Jul 24, 97 04:21:00 pm"
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Terry Lambert stands accused of saying: > > > I have to warn you that several mail server products of which I'm > > > aware actualy verify via getpeername/gethostbyaddr (RARP), and > > > will reject your host anyway. > > > > RARP? Or was that just a belch in mid-sentence :-)? > > Reverse Address Resoloution Protocol. When someone connects to me, > I can always geet the IP address they are connecting from. Using > RARP, I can turn the address into a machine name, and compare it > with what you tell me on the "HELO" and "MAIL FROM:" lines. Oh Terry. You've never booted a machine diskless in your life, have you? RARP is reverse-ARP. It's "This is my media address; WTF am I?", rather than "WTF owns this IP address?" Seeing as RARP requests are _broadcast_, I can't exactly see them being used for anything even vaguely approaching what you're talking about. -- ]] Mike Smith, Software Engineer msmith@gsoft.com.au [[ ]] Genesis Software genesis@gsoft.com.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control. (ph) +61-8-8267-3493 [[ ]] Unix hardware collector. "Where are your PEZ?" The Tick [[
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