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Hi Joshua,
There's a section on this one in Jason Hunter's book 'Java
Servlet Programming' (good book). The section is called 'Locking
a Servlet to a Server' and is for people who have written a servlet
and don't just want it running anywhere. Essentially what he
does is locks itself to a particular ip address and port number
using getServerName() and getServletPort(). It also uses a key
from getInitParameter("key"), which must be a 64-bit number equal
to the logical not of the 32bit ip concatenated with the 32-bit
port number.
It's all in the book anyway - the servlet refuses to perform
unless given the correct key. He does warn however that the algorithm
is a little weak and you should make a stronger one. Hope this
helps.
Dave
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Joshua
Slack
Sent: Monday, June 12, 2000 2:27 PM
To: Java Apache Users
Subject: Protecting your servlets
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Does anyone know of a way to protect your Java servlets (or anything
written in Java for that matter) from being redistributed without your
consent. For example, if you want to create a demo version and a
registered version of a servlet and you don't want registered users to
distribute your work behind your back.
Thanks in advance,
-- Joshua Slack
[EMAIL PROTECTED]
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