[122206] in North American Network Operators' Group
Re: black listing of web traffic
daemon@ATHENA.MIT.EDU (Jon Lewis)
Tue Feb 9 14:56:36 2010
Date: Tue, 9 Feb 2010 14:54:49 -0500 (EST)
From: Jon Lewis <jlewis@lewis.org>
To: Andrey Gordon <andrey.gordon@gmail.com>
In-Reply-To: <90ccfc91002091135s64daaab1n141c92bff5095d64@mail.gmail.com>
Cc: Nanog <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Tue, 9 Feb 2010, Andrey Gordon wrote:
> I have a problem that I can't seem to find a solution to yet. My student
> network is being NATted out and anyone who's on that network had troubles
> accessing random websites.
> For example, going to www.apple.com or www.facebook.com would work great,
> but store.apple.com would either not load or take forever to open up.
>
> I've had that problem last week and thought I tracked it down to the NAT ip
> being black listed with one of the span black lists. Even though that IP is
> not used for mail out, that somehow seemed to affect it. Changing it to a
> different one seemed to solve the problem and I got that original address of
> the list in the mean time. Changed it back and everything was well, until
> today.
> Same symptoms, but now I don't see us listed anywhere.
> The best description of the symptoms seems to be that that IP is rate
> limited or something.
Other than the Spamhaus DROP list, I've never heard of blacklisting being
applied to IP routing. Were some of your IPs somehow on their DROP list?
http://www.spamhaus.org/drop/
----------------------------------------------------------------------
Jon Lewis | I route
Senior Network Engineer | therefore you are
Atlantic Net |
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