Surf these sites: An Architectural Overview of UNIX Network Security -- A nice document from from Center for Information Technology, National Institutes of Health Authoriative sudo ftp site -- sudo allows restricted root access to be granted to any user. CERT Coordination Center -- Latest information on Internet security vulnerabilities security alerts COAST Hotlist -- The COAST hotlist is the most comprehensive security site on the WWW, covering all aspects of security. Computer Science Web -- Security, Linux, FreeBSD, IRIX, midikeys, exploit, Vulnerability, Networking Computer Security -- How to secure your Unix computer system (emphasis on HP-UX). Debian bug tracking system -- Debian bug tracking system main contents page Linux Security HOWTO -- This document is a general overview of security issues that face the administrator of Linux systems. It covers general security philosophy and a number of specific examples of how to better secure your Linux system from intruders. National Security Agency -- The Nation''s cryptologic organization. It coordinates, directs, and performs highly specialized activities to protect U.S. information systems and produce foreign intelligence information. A high technology organization, NSA is on the frontiers of communications and data processing. It is also one of the most important centers of foreign language analysis and research within the government. OpenBSD release errata -- the OpenBSD CD errata page Red Hat Errata -- Errata for all releases of Redhat Linux SysAdmin & Security Resource Center -- Security, networking and UNIX News and resources for system administrators. The Website of Johnny -- About Linux/Unix, security, encryption. Unix System Security Tools -- Introduction -- An introduction to Unix security tools, including Ten General Security Rules. Using check_* in sendmail 8.8 -- sendmail 8.8: using the check_* rules to prohibit unauthorized relaying through your sendmail server and to reject UBE from well known addresses
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