nanog mailing list archives

Re: Comcast looking glass router


From: Christopher Morrow <morrowc.lists () gmail com>
Date: Thu, 9 Jan 2025 10:41:59 -0500

On Thu, Jan 9, 2025 at 9:29 AM Warren Kumari <warren () kumari net> wrote:





On Wed, Jan 08, 2025 at 3:35 PM, Paulo J Amaral <nanog () nanog org> wrote:

Hi, hoping someone here from Comcast can help me. I need to be able to login Comcast Looking Glass router in NY to 
check on some route advertising  but the username and password that was previously working for the LG no longer 
seems to work.



Host:  route-server.newyork.ny.ibone.comcast.net

Username: rviewsxr

Password: rviews and I also tried rviewsxr



If anyone knows the current login info I would appreciate it.



Hah! I ran into that same issue earlier in the week — a few places (including some notes that I had) implied that it 
was a username of "rviewsxr" with a blank password - but also that many SSH clients, including OpenSSH, deal poorly 
with blank passwords.

I had assumed that that was what I was running into, and so spent some time trying to figure out if it was a blank 
password issue, before I became distracted by a squirrel


possibly you need some other flags to the ssh client:
  -oKexAlgorithms=+diffie-hellman-group1-sha1  (server here only
offers that key exchange algorithm)
  -oMACS=+hmac-sha1

The server here appears to be a very old cisco type thingy :(
(I didn't figure the passwd part out, docs appear to say the passwd
should be: rviews - perhaps some security person made them add more
entropy? :) )

W




P




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