A Practical Guide to Fedora™ and Red Hat® Enterprise Linux®

C. Security

In This Appendix

Encryption 1126

File Security 1131

Email Security 1131

Network Security 1132

Host Security 1135

Login Security 1136

Remote Access Security 1137

Viruses and Worms 1138

Physical Security 1139

Security Resources 1140

Security is a major part of the foundation of any system that is not totally cut off from other machines and users. Some aspects of security have a place even on isolated machines. Examples of these measures include periodic system backups, BIOS or power-on passwords, and self-locking screensavers.

A system that is connected to the outside world requires other mechanisms to secure it: tools to check files (tripwire), audit tools (tiger/cops), secure access methods (kerberos/ssh), services that monitor ...