Re: 0.0.0.0 Probes

From: Miles Stevenson (miles_at_mstevenson.org)
Date: 10/22/04

  • Next message: Mailing Lists: "Secure Port Testing" 
    To: security-basics@securityfocus.com, gillettdavid@fhda.edu
Date: Fri, 22 Oct 2004 14:02:05 -0400

    David,

    <snip>
    > These packets are not *to* 0.0.0.0; they just claim to be
    > *from* there. Unless a router is specifically configured to
    > check the source address for validity, it won't care. (The
    > RFC passage you quote prevents attempts to *reply* to such
    > packets from saturating the whole Internet.)
    </snip>

    Agreed. Thank you for the correction.

    >"..SHOULD NOT originate datagrams addressed to 0.0.0.0".

    Use of the words "originate" and "to" in the same phrase to represent traffic
    flow seems, at first glance, to be in conflict with each other, and is likely
    the source of my misinterpretation.

    Another example of the importance of semantics when then intention is to
    communicate accurately. 

    -- 
Miles Stevenson
miles@mstevenson.org
PGP FP: 035F 7D40 44A9 28FA 7453 BDF4 329F 889D 767D 2F63

    • application/pgp-signature attachment: stored
  • Next message: Mailing Lists: "Secure Port Testing"

    Relevant Pages

    • Re: ISA firewall problem?
      ... Information can flow to/from the internet, ... > then in turn flow to/from your LAN, ... My understanding is that if the remote machine is compromised to the ... The point is that in split-tunnel mode, it's automatically capable of transferring information between networks, without any compromise. ...
      (microsoft.public.windows.server.sbs)
    • Help on listview issue!
      ... I have been searching all over the Internet for an example or issue ... correction for this problem. ... Please advice! ...
      (microsoft.public.dotnet.framework.windowsforms)
    • Re: I need a paper
      ... The original paper and a correction have been mailed to your address. ... Almost all papers can be found on the internet, ... The beautiful person ...
      (comp.theory)
    • Re: a bad day
      ... toolkit and assists in fixing bike in teh dark. ... it an internet thing? ... I find it breaks up the flow of a message and ...
      (uk.rec.cycling)
    • Re: Exchange
      ... Correction - Receive, instead of Relieve... ... spell checker got ahead of me. ... Checked "Internet & Email Setup" and settings look ...
      (microsoft.public.windows.server.sbs)