system environment/daemons

• memcached - High Performance, Distributed Memory Object Cache
• mod_cgroup - Apache/CGroup module
• mod_qos - Quality of service module for Apache
• mod_ruid2 - Run all httpd process under user's access right.
• mod_security - Security module for the Apache HTTP Server
• nginx - Robust, small and high performance HTTP and reverse proxy server
• ngircd - Next Generation IRC Daemon
• ossec-hids-client - The OSSEC HIDS Client
• ossec-hids-mysql - The OSSEC HIDS Server
• ossec-hids-server - The OSSEC HIDS Server
• rbldnsd - Small, fast daemon to serve DNSBLs