[CentOS] Browser related question

Fri Jan 29 08:12:43 UTC 2010
Rajagopal Swaminathan <raju.rajsand at gmail.com>

Greetings,

How does one monitor if a site is being accessed using browser?

IOW, I just want to know if a user has launched a session thru Firefox.

I basically want to know if a user has tried to access the webserver
and unable to reach it and log such instances.

I am using cron and curl to seperately monitor the link.

Any clues?

Centos 5.2/Gnome/Firefox 3.0.16

Regards

Rajagopal