Some interesting stuff
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Some good tools I am using. Perhaps you kown them all, but I like to share good things and tips ;-)
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A complete reverse proxy solution with SSO capabilities (forward, auto post, auto htaccess…), web configurator and easy use of mod_security !!
http://vulture.open-source.fr/wiki/ -
An awsome solution for monitoring, not full open source but pretty good in an overall view:
http://www.zabbix.org/ -
A really nice and simple webmail (beta but stable):
http://www.roundcube.net/
An article about Cisco vs OpenBSD vs Linux Based firewalls
http://www.oreillynet.com/pub/a/sysadmin/2007/02/15/evaluating_firewalls.html
Take a minute to read it, especially the conlusion ;-) -