Infinite Loop Redirect

Imported From: http://groups.google.com/group/in-portal-bugs/browse_thread/thread/6221ab0a45dc2829#

Hi guys,

it's not the first time it happens: I try to log in admin console, and my
browser says:
"too many redirects trying to open http://website.tld/admin

It seems to be related to cookie, right?

p