A properly configured BSD mail server can protect users from spam and Trojan horses while rejecting . . . This Microsoft article does a good job of outlining a list of security issues that no patch can fix. Only dilligence in maintaining your systems can ensure you're systems are as secure as possible. In other cases, the reported problems simply . . . In the final entry of a three-part series of firewall product reviews, Pawel Leszek looks at dedicated appliance firewalls based on Linux.
Web servers are the most exposed servers on the Internet.
While most Freenix admins are used to the normal concerns of Unix security, there is a higher world of security that has never been touched by Freenixes. The realm of trusted operating systems, long the province only of military and other ultra-secure environments, represents a security level beyond that of all but a few commercial operating systems. . . . This paper presents the risks posed by an insecure DNS server and walks through compiling, installing, configuring and optionally, chroot'ing BIND 8. Many configuration and troubleshooting tips are provided, along with . .