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Protecting my TCP or UDP conenction.

UltraDog asked
Last Modified: 2012-05-11
I have a client and a server which communicate through TCP and UDP.
I'd like to prevent receiving messages from other processes that may try to connect to my ports.
I take the stream of bytes and make an object out of it, but if this is just a random stream - the program will crash.
How can I do it?
thanks :)
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