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Question

Status: Closed Points: 200 Time: 07:59 - Nov 12, 2008  

dustPuppy

how do i delete a top domain cookie from a subdomain?

Hi,

I've run into this problem:
I create a cookie in my subdomain: sub.domain.com
The cookie is written to: .domain.com so that it can be read across all the domain.
Afterwards I need to delete the cookie and I can't. I can read without issues, but I can't delete it from the subdomain I created it.
Do you have any idea why this is? (I'm testing with FF3, just in case)

Thanks,
dust

Answer Discussion
Tutorials

 

dustPuppy

Date:: Nov 12, 2008

Time:: 08:37

I found the solution now, but cookies are weird!

Just to be sure that you understand what I did, when I said deleting the cookie that meant setting the expiration date to -30 years. This is the only way to delete a cookie.

My problem was that I tried to do this with the existing cookie already set. But that doesn't work with the ".domain.com". Instead I created a new cookie, with the same name, same top-domain, and set the expiration to -30 years and added it to the response, and then it was deleted without problems!

Well, what can i say, cookies are weird stuff :)

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dustPuppy: 200

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