I am designing a web site that requires certain areas of the web site to be restricted. While it is necessary to have some sort of authorisation procedures, it is not necessary to go over the top. The information held in that area is not particularly sensitive - but should be held away from others.

Can anybody suggest any good techniques for securing areas of sites. The only requirement is that the user must use a logon screen to identify themselves.

BTW It is a java based site (JSP, javascript, servlets).

Thanks in advance

HD