Have I read the related troubleshooter articles above before posting (which pages?)? Yes
Have I searched the tickets before posting? Yes
Have I read the documentation before posting (which pages?)? Yes
Joomla! version: 1.5.26
PHP version: 5.2.9
MySQL version: 5.0.95
Host: (optional, but it helps us help you)
Admin Tools version: 2.2.5
Description of my issue:
I have a site visitor who reportedly received the 403 "do i feel lucky" page when attempting to login from Safari -- but doesn't receive it when logging in from FireFox. That would appear to rule out an IP-based blocking, and I don't see them in the auto IP, blacklist, or geographic blocking anyway.
What other causes would potentially trigger the block? Why would it be browser-specific?