Path: utzoo!utgpu!water!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!mailrus!ames!pasteur!ucbvax!VAX.FTP.COM!jbvb From: jbvb@VAX.FTP.COM (James Van Bokkelen) Newsgroups: comp.protocols.tcp-ip Subject: Grist for someone's mill Message-ID: <8807071742.AA08938@vax.ftp.com> Date: 7 Jul 88 17:42:41 GMT Sender: daemon@ucbvax.BERKELEY.EDU Organization: The Internet Lines: 21 If you send an ICMP echo request packet with IP Precedence = Flash Override and no IP TOS flag bits set, you back a reply with: Precedence = Routine from: vax.ftp.com Ultrix 2.0 gaak.lcs.mit.edu hacked 4.3bsd aim.rutgers.edu TWG VMS uunet.uu.net Sequent Balance sun.com SUNOS 4? Precedence = Flash Override from: xx.lcs.mit.edu TOPS-20 big-blue.lcs.mit.edu VM Wiscnet? ibm.com VM (IBM's 5798 FAL?) ucbvax.berkeley.edu 4.3bsd? Precedence = Flash Override & the Low Delay bit set from: oac.ucla.edu UCLA MVS James VanBokkelen FTP Software Inc.