Filters and why they are used....

[Raja Sagar Panamgipalli]

Hi All,
I have been thru an Article at Sun.com ..on this topic i could really understand whats going inside doServlet()..
Please take time to brief me or provide a link for the same..
Thank you..
Sagar.

[Jeanne Boyarsky]

Sagar,
Sun has a good article on filters too.