[thelist] PHP 302 redirects maintains referer

Paul Waring paul at xk7.net
Thu Jun 28 17:20:47 CDT 2007

On Fri, Jun 29, 2007 at 12:03:54AM +0200, Bojan Tesanovic wrote:
> I have a problem with 302 redirects
> So we have site A that points to site B then site B does some logging and redirects to site C
> what I happens is that when site B do 302 redirect site C sees site A as referer site not site B

As far as I'm aware, that's the intended behaviour - the referer field
(which you shouldn't rely on anyway as there's no guarantee of it being
set to the correct value, or anything for that matter) is carried over
redirects. If you can modify site C to get the referer value from
somewhere else, you could always pass it in as another parameter, e.g.:

1. User click a link on site A
2. User is redirected to site B
3. Site B takes a note of the referrer and redirects to site C:

If you see what I mean. If you can't modify site C then I think the only
way to get the referer value of site B is to have a link on site B to
site C. As I said earlier though, you *really* shouldn't rely on this
behaviour anyway as it's not guaranteed to work.


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