SSL: Secure Sockets Layer. A network protocol that (My space web page)
SSL: Secure Sockets Layer. A network protocol that uses public-key encryption. It is the primary protocol used for electronic commerce on the Web. Trojan horse: A malicious program that mimics the behavior of a legitimate system program, usually for the purpose of stealing passwords. virus: A self-replicating program that can spread itself from computer to computer, usually by attaching itself to other programs. worm: A program that copies itself from computer to computer over the network, consuming system resources as it goes. Summary With the rise of the Internet, security has become a critical issue for nearly all computer users. The Red Hat Linux operating system is a powerful tool that can help you get the most out of the Internet, but care must be taken to prevent break-ins by crackers. Proper use of password security in Red Hat Linux is critical, as is proper configuration of the various network services. Understanding system log files so that you can recognize a cracker attack is another important part of defending your system from crackers. In general, knowledge is your most important tool. Learn everything you can about how your Linux system works and where the vulnerabilities are. And remember, good security is not a one-time job; it is an ongoing process that requires constant vigilance. Take advantage of the many great security tools that are available on the Internet. Applications such as Crack, Tiger, and Tripwire can help you keep your system secure. Run them periodically to make sure your system stays secure. Logcheck and PortSentry are software packages produced by Psionic Software, Inc., to help protect your Red Hat Linux system from intrusions from the network. The Logcheck package scans your system logs for messages that may represent break-in attempts. PortSentry takes an active approach to protecting your system by monitoring ports and responding in a variety of ways to those who try to improperly access those ports. Subscribe to the CERT and CIAC mailing lists and install security-related patches as soon as they become available. It is better to spend a few minutes upgrading a system program than to spend many hours rebuilding an entire server.
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