I had to do a test to check Web log of a performance of a university web portal.
Encountered problems in order to access the login session to monitor due to the HTTP header (refer).
In this site I can only get to login.php if my previous page is index.php. I can not get to the login page directly.
I used version 1.8.9 Zabbix. In version 1.8.10 also encountered the same problem and had to apply my patch so I could do the monitoring web.
I utitlizando to Debian 6.0.3 (32/64bit) with Postgres 8.4, Apache2, PHP5.
Giovani de Souza Castro