Following battlefield tales that Hezbollah had compromised the IDF communications network during operations in Lebanon last year, defense contractors have developed Meshnet, a hardware and software firewall appliance to protect the data networks of battlefield equipment, on the chance that someone would figure out how to infect them with malicious agents of some sort in the near future. Meshnet is supposedly based upon the Sidewinder Security Appliance from Secure Computing, but includes specialized hardware that deals with the network protocols and connection gear used in the control systems of tanks, armored personnel carriers, or what have you along with anti-spyware …