A sysadmin’s security basics

From O’Reilly’s Linux DevCenter: “System administrators are no longer alone in
their concern for security. The increase in
high-profile virus attacks, and a general sense
of heightened security, means that executives
are likely to have security on their mind. It may
be easier than ever to enlist their support for
securing our networks and systems, and they
may be more likely to put up with some
inconvenience for users if it means tighter
security.

This article gives an overview of the basics
necessary to secure your network…”