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Data sanitization approaches in Java

From: Benjamin Livshits (livshitscs.stanford.edu)
Date: Fri Jan 14 2005 - 15:20:56 CST

I was wondering about data sanitization strategies commonly used in
today's Web applications, especially those written using J2EE. I am
aware of libraries that would simplify the sanitization process for you,
however, I haven't really seen many applications that use anything more
sophisticated than URL-encoding the user-supplied string data.

Are there some common sanitization strategies that people actually use
in their code on a regular basis?

Thanks in advance,
-Ben