TrinityOS is a step-by-step, example-driven HOWTO on building a very functional Linux box with strong security in mind. TrinityOS is well known for its strong packet firewall ruleset, Chrooted and Split DNS (v9 and v8), secured Sendmail (8.x), Linux PPTP, Serial consoles and Reverse TELNET, DHCPd, SSHd, UPSes, system performance tuning, the automated TrinityOS-Security implementation scripts, and much more.
slakbootIBS (Slackware Interactive Boot Scripts) is an enhanced set of replacement boot scripts for the Slackware Linux distribution. It includes a set of control and dispatch tools for configuring and booting with colorized interactive scripts. The new boot process allows the operator to select or skip start-up components in realtime. It facilitates debugging of startup problems and allows operators to maintain a common baseline to support several local configurations or multiple servers with a single set of scripts.
The IP Masquerade HOWTO is the document that contains instructions on understanding, configuring, and troubleshooting NAT or Network Address Translation for Linux. It covers topics such as IPTABLES, PORTFW, IPCHAINS, IPFWADM, stronger packet firewalls, multiple network segments, and configuring many client operating systems. It also has an extensive FAQ and troubleshooting section.
DSM (Dedicated Server Manager) Standard is a solution for hosting companies and organizations who need to combine a Web server, mail server, DNS server, or a fully featured Web hosting environment. DSM Standard offers four levels of interface access: root user, reseller, site-owner, and mailuser.