Chapter 13 System Security
Security is always a trade-off between convenience and features on the one hand and being protective and removing unnecessary risks on the other. As the cliché goes, security is inversely proportional to convenience and accessibility. In other words, a “totally secure” system is one that is not connected to anything (not to a terminal and most certainly not to a network), no one is ever allowed to use it, and it is never powered on!
TIP
Do you know whether your system has been compromised? Read Jay Beale’s article, aptly titled “Detecting Server Compromises,” in the February 2003 issue of Information Security Magazine (http://www.infosecuritymag.com/2003/feb/linuxguru.shtml).
As installed in “normal” mode from ...
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