[Gllug] Dishonouring Redirects
Matthew Cooke
mpcooke3 at hotmail.com
Mon May 23 20:29:54 UTC 2005
Steve Nelson wrote:
>Hello Chums,
>
>How would you go about forbidding a request which came from a redirect?
>
>
>
Unfortunately a redirect results in the browser making a normal http
request.
Although filtering based on referrer name is unlikely to result in false
positives (the blocking of valid requests) it may not be very effective
as normally the referrer in the case of a redirect is the original page
referrer not the redirecting URL. So to effectively block based on the
referrer header you would need to find the pages that the
http://www.groupedanone.com/ link was on and block those referrers.
It has always been possible (in several ways) to make a link look like
one thing and go somewhere else so I would question if it's worth
blocking this.
For instance if I want i can put a link like this <a
href="http://microsoft.com">crapheads.com</a> or dns alias crapheads.com
to microsoft.com
The web was designed in such a way that people can link to websites
however they want - it isn't really a flaw in the same way as making a
crapheads.com page look like it is actually microsoft.com in the URL bar.
Matt.
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