Infocus: TCP/IP Skills Required for Security Analysts. This article guides users new to the security field through some of the key skills required to work as a security analyst. The focus is on core TCP/IP competency and related technologies such as intrusion detection systems, firewalls and routers. [SecurityFocus News]
i'm not an expert and even i agree that this is a required skill. i have a little book of tcp/ip that breaks it all down for me that i occasionally review. others should also be up on this info.