“Reading the trail: what a TCP wrapper can tell
you.“
“… While security administration may seem like an enormous
topic to start with, I thought it was important enough to cover now
rather than later. As mentioned, I will take all comments into
consideration and try to gear this series around the majority of
those suggestions.”
“Last week, I provided some insight into the simplest method of
protecting your system, the TCP wrapper. Your Linux system does a
great job of tracking access through its system logs, and denying
access through the wrapper means you’ve just added some useful
information to those logs…”