MySQL and Perl for the Web

Network Access and Client Privacy Protection

Web applications, based as they are on networking, are subject to dangers from wiretapping or snooping. It’s bad enough when wiretapping actually involves wires, but with wireless networking on the rise, it may be possible for an attacker to join your network just by wandering into your vicinity with a suitable receiver and transmitter. (Two things you can do to reduce the risk are to require a password before access to the network is allowed and to turn on encryption of wireless traffic.)

Information sent over the network may be intercepted by a third party, inspected, and used for various forms of mischief such as masquerading as someone else or mounting replay attacks. Stolen names and passwords ...