Re: black listing of web traffic

[Rogelio]

Could it be a dns issue? Some sites trying to resolve your ip address  
and others don't?

Sent from my iPhone

On Feb 9, 2010, at 4:47 PM, Andrey Gordon <andrey.gordon@gmail.com>  
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...
>
> Thanks,
> Andrey
>
> -----
> Andrey Gordon [andrey.gordon@gmail.com]
>
>
> On Tue, Feb 9, 2010 at 4:40 PM, Geoffrey Keating <geoffk@geoffk.org>  
> wrote:
>
> > Andrey Gordon <andrey.gordon@gmail.com> writes:
> >
> > > Hi list
> > >
> > > 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.
> > >
> > > Anyone seen that? Are there any blacklists for web access?
> > Could it be related to the Pushdo botnet SSL traffic generation,
> > <http://www.shadowserver.org/wiki/pmwiki.php/Calendar/20100129>?
> > Perhaps you have an infected machine and so your IP is being
> > blacklisted and/or rate-limited.