Are ICMP packets important?

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Can you nmap your own router or computer from your computer?
Sean
----- Original Message ----- 
From: "Janina Sajka" <janina@xxxxxxxxxxx>
To: "Speakup is a screen review system for Linux." <speakup at braille.uwo.ca>
Sent: Thursday, February 12, 2004 2:45 PM
Subject: Re: Are ICMP packets important?


> I don't doubt what you say is correct, Alex. But, it's a strange default
> address. More customary would be 192.168.1.254. 
> 
> 
> By the way, nmap can help you discover the correct address and which
> protocols are supported, though it can take some time to grind.
> 
> > From: Alex Snow <alex_snow at gmx.net>
> > 
> > then there may be a setting in your modem to disable the blocking of 
> > icmp packets. check out this ip: 192.168.100.1. This is the remote 
> > admin ip on some popular cablemodems most notably the surfboard.
> > On mine this allows administration using http, telnet, rlogin, and 
> > snmp.
> > On Thu, Feb 12, 2004 at 03:55:41PM -0500, Chuck Hallenbeck wrote:
> > > -----BEGIN PGP SIGNED MESSAGE-----
> > > Hash: SHA1
> > > 
> > > Hi Alex,
> > > 
> > > Looks like that's what it is. That address is the first stop
> > > between me and the rest of the world, and it is where my ability
> > > to ping stops. My ISP evidently blocks me from initiating pings
> > > but not from responding to them.
> > > 
> > > Chuck
> > > 
> > > 
> > > On Thu, 12 Feb 2004, Alex Snow wrote:
> > > 
> > > > it looks like some kind of gateway. is it the address of your cable
> > > > modem?
> > > 
> > > - -- 
> > > The Moon is Waning Gibbous (58% of Full)
> > > In a world without Fences or Walls no one needs Windows or Gates.
> > > My home page is now at http://www.mhcable.com/~chuckh
> > > -----BEGIN PGP SIGNATURE-----
> > > Version: GnuPG v1.2.3 (GNU/Linux)
> > > 
> > > iQCVAwUBQCvoWzVdG8M9x9tGAQKTSQP+IJwZI3bP1P3krMCQsUKXTKaO7Z/tF7d+
> > > Q1EFdnZmH/zdaMhvYktE8EJ7J2tEsW/bS7HBsPND5mkhJVBiHoksPUY28SpLXjQb
> > > Jhg70IhJfBazRGOlZeC77JqAT/IFFf8ECPM+w3ySbxpp/umtd3em3iGzBSpYaI1m
> > > eJrJUCqWL7g=
> > > =5VDf
> > > -----END PGP SIGNATURE-----
> > > 
> > > 
> > > _______________________________________________
> > > Speakup mailing list
> > > Speakup at braille.uwo.ca
> > > http://speech.braille.uwo.ca/mailman/listinfo/speakup
> > 
> > -- 
> > Always borrow money from a pessimist; he doesn't expect to be paid
> > back.
> > 
> > 
> > _______________________________________________
> > Speakup mailing list
> > Speakup at braille.uwo.ca
> > http://speech.braille.uwo.ca/mailman/listinfo/speakup
> 
> -- 
> 
> Janina Sajka
> Email: janina at rednote.net 
> Phone: +1 (202) 408-8175
> 
> Director, Technology Research and Development
> American Foundation for the Blind (AFB)
> http://www.afb.org
> 
> Chair, Accessibility Work Group
> Free Standards Group
> http://a11y.org
> 
> _______________________________________________
> Speakup mailing list
> Speakup at braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup




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