Chapter 6Security

SECURITY IS DEFINITELY A HOT TOPIC both inside and outside the computer world. It can be difficult to distinguish legitimate threats from basic paranoia, but as anyone who has connected to a high-speed connection and monitored the logs knows, these days there are armies of servers out there trying to attack you.

Even though other operating systems and products seem to get the majority of the press for their security breaches, Ubuntu users aren’t completely in the clear. Even though Ubuntu has good security out of the box, the moment you set up new services you risk opening holes to attack. This chapter discusses some common security practices and simple steps you can take to keep your Ubuntu server secure. Just in case you still ...

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