http://finelycultured.com/2009/09/using-apache2s-digest-authentication
http://www.areanetworking.it/fail2ban...od_security-web-server-hardening.html
http://www.cyberciti.biz/tips/howto-p...formance-benchmarks-a-web-server.html
http://allanfeid.com/content/hardening-apache-server
http://www.ubuntugeek.com/howto-setup...sing-webdav-with-mozilla-sunbird.html
http://www.howtoforge.com/how-to-set-up-webdav-with-apache2-on-ubuntu-8.10