[122217] in North American Network Operators' Group
Re: black listing of web traffic
daemon@ATHENA.MIT.EDU (Jay Hennigan)
Tue Feb 9 16:58:44 2010
Date: Tue, 09 Feb 2010 13:56:07 -0800
From: Jay Hennigan <jay@west.net>
To: Andrey Gordon <andrey.gordon@gmail.com>
In-Reply-To: <90ccfc91002091347r59bb6c4aid62c3fef3de62cd8@mail.gmail.com>
Cc: Nanog <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
Andrey Gordon wrote:
> Can't find my IP on any of the black lists. Don't have any proxies. Sites
> that behave poorly are consistent. That is to say that facebook.com,
> apple.com would always come up without an issue, but cnn.com,
> forever21.com(i know, don't ask, students),
> store.apple.com would consistently take forever to come up.
>
> Just wanted to check of rate-limiting web clients is a common practice
> nowdays in the industry. If it's not, it's probably an unlikely cause of my
> troubles...
It could be that the problem sites have some form of load balancer that
has an issue keeping state on multiple sessions from the same IP.
You mentioned that changing the source IP fixed it. Is this a temporary
fix that breaks after several users access the sites from the new IP?
--
Jay Hennigan - CCIE #7880 - Network Engineering - jay@impulse.net
Impulse Internet Service - http://www.impulse.net/
Your local telephone and internet company - 805 884-6323 - WB6RDV
