Linux Today SECURITY LETTER FOR JUNE 30, 2000 Latest Security News for the Linux and Open Source Community. ------------------------------------------------------------------ ------------------------------------------------------------------ TODAY'S LINUX SECURITY NEWS: ------------------------------------------------------------------ SECURITY PORTAL: CREATING AND PREVENTING BACKDOORS IN UNIX SYSTEMS "In UNIX....there are hundreds of hiding places to put your backdoors and trojans in. The best way to defend against them is to reduce the complexity of the system." COMPLETE STORY: http://securityportal.com/closet/closet20000628.html ------------------------------------------------------------------ LINUXSECURITY.COM: SIMPLE COMMANDS FOR INTRUSION DETECTION "Have you ever suspected or been notified that your Linux system is under attack? How do you determine whether your system has been compromised? This document is intended to explain how an administrator can implement basic security incident investigation techniques." COMPLETE STORY: http://www.linuxsecurity.com/feature_stories/feature_story-56.html ------------------------------------------------------------------ LINUX.COM: DELEGATING LIMITED SUPERUSER ACCESS WITH SUDO "Sudo is a special package for this purpose. Instead of giving your root password to other users or changing numerous programs as set uid root (to run as the root user), you can use sudo (which stands for "superuser do") to allow them to run certain commands as the super user (or as another user)." 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