I wrote a pair of apps, one a server and one a client, and they were free-standing java programs. They work seamlessly, only now we want to run the client from behind a firewall, and it's not working.

The Internet is a dangerous place. It’s simply too easy to snoop, spoof, and steal unprotected information as it travels over the wires. Last month, I wrote the final article in a series on X.509 ...