I recently moved my phpBB board to a new host, and all was going just fine. But after a day or so, I click the link to go to the administration panel, and was simply re-directed back to the main index page.
On a hunch, I deleted all the cookies I had for my site, and sure enough I was able to get back into the administration panel just fine. However, here it is the next day and again I'm being redirected back to the main index page, and again deleting the cookies solves the problem.
The only real difference between the new host and the old host is that my phpBB site was the primary host at the old location, and is an add-on host at the new one. But the relative path is the same in each... So I'm not sure how to troubleshoot this one.
Thanks to anyone who can shed some light on this.
This is 2.0.19