This week, perhaps the most interesting articles include "," "Patch Management: Q&A with Thom Bailey," and "."

Internet Productivity Suite: Open Source Security - Trust Internet Productivity Suite's open source architecture to give you the best security and productivity applications available. Collaborating with thousands of developers, Guardian Digital security engineers implement the most technologically advanced ideas and methods into their design.

LINUX ADVISORY WATCH - This week, advisories were released for elinks, mikmod, tcpdump, parted, system-config-securitylevel, checkpolicy, spamassassin, gaim, ruby, arts, kde, util-linux, sudo, gawk, mc, pilot-link, alsa-utils, jpilot, ImageMagick, hwdata, webapp, cpio, squirrelmail, and bzip2. The distributors include Fedora, Gentoo, and Red Hat.

LinuxSecurity.com Feature Extras:

Introduction: Buffer Overflow Vulnerabilities - Buffer overflows are a leading type of security vulnerability. This paper explains what a buffer overflow is, how it can be exploited, and what countermeasures can be taken to prevent the use of buffer overflow vulnerabilities.

Getting to Know Linux Security: File Permissions - Welcome to the first tutorial in the 'Getting to Know Linux Security' series. The topic explored is Linux file permissions. It offers an easy to follow explanation of how to read permissions, and how to set them using chmod. This guide is intended for users new to Linux security, therefore very simple.

The Tao of Network Security Monitoring: Beyond Intrusion Detection - The Tao of Network Security Monitoring is one of the most comprehensive and up-to-date sources available on the subject. It gives an excellent introduction to information security and the importance of network security monitoring, offers hands-on examples of almost 30 open source network security tools, and includes information relevant to security managers through case studies, best practices, and recommendations on how to establish training programs for network security staff.


Bulletproof Virus Protection - Protect your network from costly security breaches with Guardian Digital’s multi-faceted security applications. More then just an email firewall, on demand and scheduled scanning detects and disinfects viruses found on the network. Click to find out more!

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Thank you for reading the LinuxSecurity.com weekly security newsletter. The purpose of this document is to provide our readers with a quick summary of each week's most relevant Linux security headline.

Denial of Service Attacks
21st, June, 2005

DoS attacks are not unique to the digital world. They existed many years before anything digital was created. For example, someone sticking a piece of chewing gum into the coin slot of a vending machine prevents thirsty people from using the machine to fetch a refreshing drink. In the digital world, DoS attacks can be acts of vandalism, too. They are performed for fun, pleasure, or even financial gain. In general, DoS attacks are a tough problem to solve because the Internet was designed on a principle that everyone plays by the rules. In this article we will describe the network based DOS.

howtos/secure-my-network/denial-of-service-attacks-28172
AT&T plans CNN-syle security channel
23rd, June, 2005

Security experts at AT&T are about to take a page from CNN's playbook. Within the next year they will begin delivering a video streaming service that will carry Internet security news 24 hours a day, seven days a week, according to the executive in charge of AT&T Labs.

news/network-security/atat-plans-cnn-syle-security-channel
DShield - A community approach to intrusion detection
22nd, June, 2005

Analyzing firewall logs is key to understanding the threats your servers face. Knowing what the bad guys are looking for is the first step in assessing how vulnerable your servers are. Both open source and commercial firewalls make log information available to firewall administrator. But taking risk assessment a step further, what if there were a way to apply the principles that make open source software successful to firewall log analysis? A way to help yourself and others at the same time? The DShield project seeks to do just that.

Patch Management: Q&A with Thom Bailey
21st, June, 2005

Patches are small, sometimes temporary “quick fixes