Firefox using google proxy WTF?

[Christoph Höger]

Am Samstag, den 13.02.2010, 19:43 +0100 schrieb Roberto Ragusa:
> Christoph Höger wrote:
> > I am using an of the shelf firefox rpm. Today the strangest thing
> > happened to me: I got an google branded 404 when searching wikipedia.
> > The site is definitely up and running and my network settings must be
> > fine, since Konqueror and wget get the site (see attached screenshot).
> > 
> > Obviously I only noted it, because googles proxy must have been down or
> > something.
> 
> You get the same error page if you try this:
>   http://www.google.com/wiki/URL_redirection
> 
> Firefox is probably thinking that en.wikipedia.org resolves
> at DNS level to the IP of google.
> 
> In that case, you will get the google homepage with
>   http://en.wikipedia.org
> 
> I don't know how it happened. Does it go away if you restart Firefox?
> Does your ISP do some authentication using DNS hijacking?
> The Firefox DNS cache appears to be polluted.

Is there some way to check this? I mean have a look at firefox' dns
cache?
Since wget and konqueror worked fine, I'd say that my ISPs DNS works as
it should.

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