hi , actully i have read filters in servlet.
but i didnt understand , the actual working of filters ( in practicle environment).
i want to know that , when i am sending request to server and i am using filter before request went to server. so that process is happening on server side or client side ?

and i want to send password in encrypted format from html page to servlet how to do this ?
please if any one have any idea please response ( Atleast tell the process how to proceed).