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Posting to a JSP/Servlet

Derika Francis

Joined: Mar 18, 2005
Posts: 6
Hi guys,
I need a solution asap. I want to ensure that 1 & only 1 client can post to my jsp/servlet. Given Servlet A, Servlet B or any other client on the same machine as Servlet A can post to A. In others words, I need to be able to stop users from saving an html client to the desktop and posting to Servlet A. This is really important.

[ May 19, 2005: Message edited by: Bear Bibeault ]

Jeanne Boyarsky
author & internet detective

Joined: May 26, 2003
Posts: 31680

You can check the IP address of the client to check whether servlet B is posting to servlet A.

It's a bit trickier to figure out whether the call to servlet A is coming from a client who is viewing something on your web site or dowloaded the page. The easiest way is to put a token in the session on rendering a page and checking it is still there when you get to Servlet A.

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subject: Posting to a JSP/Servlet