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Linux Security Week - June 20th 2005




Linux Security Week - June 20th 2005
Linux Security Week - June 20th 2005



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|  LinuxSecurity.com                         Weekly Newsletter        |
|  June 20th, 2005                            Volume 6, Number 26n    |
|                                                                     |
| Editorial Team: Dave Wreski dave@linuxsecurity.com | 
| Benjamin D. Thomas ben@linuxsecurity.com | 
+---------------------------------------------------------------------+

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 headlines.

This week, perhaps the most interesting articles include "Top
Open-Source Security Applications," "Cutting Through the Linux
Security Hype," and "Mobile & Wireless World to focus on Wi-Fi,
Security."

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---

LINUX ADVISORY WATCH

This week, advisories were released for mikmod, tcpdump, yum,
elinks, parted, system-config-securitylevel, checkpolicy,
spamassassin, gaim, libextractor, Ettercap, shtool, gedit,
MediaWiki, gzip, gftp, squid, rsh, sysreport, telnet, bz,
and mc. The distributors include Fedora, Gentoo, and Red
Hat.

http://www.linuxsecurity.com/content/view/119336/150/ 

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Review: The Book of Postfix: State-of-the-Art Message Transport

I was very impressed with "The Book of Postfix" by authors Ralf
Hildebrandt and Pattrick Koetter and feel that it is an incredible
Postfix reference. It gives a great overall view of the operation
and management of Postfix in an extremely systematic and practical
format. It flows in a logical manner, is easy to follow and the
authors did a great job of explaining topics with attention paid
to real world applications and how to avoid many of the associated
pitfalls. I am happy to have this reference in my collection.

http://www.linuxsecurity.com/content/view/119027/49/ 

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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.

http://www.linuxsecurity.com/content/view/118881/49/ 

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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.

http://www.linuxsecurity.com/content/view/118181/49/ 

--------

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| Security News:      | <<-----[ Articles This Week ]----------
+---------------------+

* Talking with Richard Stallman
  12th, June, 2005

1) Let's start. Can you explain to our readers why you started with
FSF in 1984? What did you need of? Why you created it?
What I started in 1984 was the development of the GNU operating system. All the operating systems for modern computers of the day were proprietary; users were forbidden to share them, and could not get the source code to change them. The only way to use computers in freedom was to replace those systems with a free operating system. That's what GNU was meant to do. The Free Software Foundation was started in late 1985 to raise funds for GNU development, and more generally to promote free software. http://www.linuxsecurity.com/content/view/119289 * Book Review: "Apache Security" By O'Reilly 12th, June, 2005 I've just completed my review on "Apache Security" by O'Reilly."This book was written by Ivan Ristic, the author of the popular Apache web application firewall module mod_security. Naturally this book does discuss how to use mod_security to harden your system, but I'm happy to report it isn't his main area of focus. One of the first things that I do while reviewing a book is to find all the things that the text doesn't cover that it *really* should have and point them out in my review. Simply put this book has everything, and I do mean everything. Here's the low down on a per chapter basis." http://www.linuxsecurity.com/content/view/119291 * O'Reilly Releases "SSH, The Secure Shell: The Definitive Guide, Second Edition" 16th, June, 2005 The name looks like the sound you'd make to hush someone, which is not inappropriate if you think of SSH, the secure shell, as a means of silently sending information between computers. "SSH" is actually pronounced by spelling it aloud "S-S-H," and isn't a shell at all, but a protocol. The name was originally coined from the rsh utility, a Unix program that also provides logins. http://www.linuxsecurity.com/content/view/119319 * Top Open-Source Security Applications 15th, June, 2005 According to most security professionals, a top-tier, open-source security tool must have sufficient history to allow a practitioner to use it with confidence. And it must have a sufficiently large developer base to ensure that fixes will be available in light of discovered vulnerabilities. Pegasystems. Business Process Management (BPM) solutions offer organizations the agility critical to managing growth, productivity and compliance. Our solution unifies pure-play BPM with a sophisticated Business Rules Engine. Pegasystems makes it easy for people and systems to work together. http://www.linuxsecurity.com/content/view/119315 * Endian Firewall 15th, June, 2005 Endian Firewall is a turn-key Linux security distribution based on IPCop that turns a system into a security appliance. The features include a stateful packet inspection firewall, application-level proxies for various protocols (HTTP, POP3, SMTP) with anti-virus support, virus and spam filtering for E-mail traffic (POP and SMTP), content filtering of Web traffic and VPN (based on OpenVPN). http://www.linuxsecurity.com/content/view/119314 * Intrusion Protection Systems get hot 13th, June, 2005 Taxed with providing an ever-expanding range of complex security functions, IPS vendors are rising to the challenge, transforming their wares to go beyond simply identifying and stopping attacks based on updated threat profiles. http://www.linuxsecurity.com/content/view/119304 * McAfee Aims to Prevent Linux Attacks 14th, June, 2005 McAfee is looking to help protect against what it calls a dramatic increase of attacks on Linux systems. The company's Entercept intrusion prevention system -- already available for Windows and Solaris -- uses a combination of behavioral rules, signatures and a firewall to protect IT infrastructure from attack. http://www.linuxsecurity.com/content/view/119311 * Cutting Through the Linux Security Hype 17th, June, 2005 Do you think there are security benefits businesses could reap by simply switching to open source solutions?

Greenberg: Yes. A great number of security holes are because of Windows having glaring security holes in its browser and mail agent. Use Windows and Firefox, for example, instead of Windows and IE, and 80 percent of the security concerns vanish. The number of security threats in an OS-to-OS face off is about equal, from what I see. As . and if . Linux usage increases, the Linux threat level may increase. http://www.linuxsecurity.com/content/view/119337 * Java flaws open door to hackers 15th, June, 2005 Sun Microsystems has fixed a pair of security bugs in Java that could be exploited by attackers to take over computers running Windows, Linux and Solaris. http://www.linuxsecurity.com/content/view/119318 * Security Best Practices 13th, June, 2005 Centralization, automation, problem prioritization--many IT-security professionals are embracing those concepts as they fight off the never-ending onslaught of threats. Security products can help businesses stem the flood of vulnerabilities, but IT teams also have to put in place processes to ensure that they're responding appropriately and being proactive in warding off potential dangers. Fact is, some companies spend too much on some parts of their organization and not enough on more-vulnerable areas. http://www.linuxsecurity.com/content/view/119294 * Easier controls improve security 14th, June, 2005 Computer Associates and RSA Security have released products to centralise security management and make policies easier to define and deploy. The aim is to make it simpler to implement complex data security measures. http://www.linuxsecurity.com/content/view/119307 * Is IPsec on borrowed time? 14th, June, 2005 For proof that hunger is growing in the information security community for Secure Sockets Layer-based virtual private networks, look at the latest offerings from Check Point Software and Juniper Networks. For insight on what the big deal is, ask Steve Smith, network manager for Erie, Pa.-based Saint Vincent Health System. http://www.linuxsecurity.com/content/view/119309 * Stealthy Trojan horses, modular bot software dodging defenses 14th, June, 2005 Software attack tools that turn PCs into remotely controlled zombies are getting better, but defenses are not keeping up, say security experts. The latest threats are tailored to attack specific companies, foregoing rapid spread and avoiding notice. Others use modular components, such as an infector that can be changed to defeat the latest antivirus software and a second-stage component that turns off PC defenses. http://www.linuxsecurity.com/content/view/119310 * Hashing exploit threatens digital security 15th, June, 2005 Cryptographers have found a way to snip a digital signature from one document and attach it to a fraudulent document without invalidating the signature and giving the fraud away. http://www.linuxsecurity.com/content/view/119316 * The State Of Internet Security 15th, June, 2005 While the scams that daily flood our e-mail in-boxes show no signs of abating, there is some good news for the users who have to sort through them all. So says VeriSign, in its latest "State of Internet Security" address covering the first three months of 2005. http://www.linuxsecurity.com/content/view/119317 * BindView Presents IT Security Compliance Best Practices for the C&A Process 16th, June, 2005 The C&A process is well-known by federal agencies as a highly manual process that artificially increases costs and delays, and isolates resulting data from other systems that might benefit from its use. The webinar will cover new methodologies and technologies for integrating the C&A process with an organization's IT security compliance and automation efforts to achieve success in meeting regulatory mandates and significantly reduce costs and delays. http://www.linuxsecurity.com/content/view/119320 * Top Open-Source Security Applications 17th, June, 2005 Those responsible for enterprise security are increasingly turning to open-source applications in lieu of security products based on proprietary code -- and for many good reasons. http://www.linuxsecurity.com/content/view/119340 * Most want government to make Internet safe 16th, June, 2005 Most Americans believe the government should do more to make the Internet safe, but they don't trust the federal institutions that are largely responsible for creating and enforcing laws online, a new industry survey says. http://www.linuxsecurity.com/content/view/119326 * Your ISP as Net watchdog 17th, June, 2005 The U.S. Department of Justice is quietly shopping around the explosive idea of requiring Internet service providers to retain records of their customers' online activities. http://www.linuxsecurity.com/content/view/119362 * Computer viruses become hacker informants 13th, June, 2005 An emerging breed of computer virus that keeps hackers informed about the latest weaknesses in computer networks has been discovered by security experts. http://www.linuxsecurity.com/content/view/119293 * Mobile & Wireless World to focus on Wi-Fi, security, RFID 14th, June, 2005 John Wade, CIO of the Saint Luke's Health System in Kansas City, Mo., said he faces many of the same problems confronting other CIOs when it comes to supporting mobile and wireless technology in a large organization. http://www.linuxsecurity.com/content/view/119308 ------------------------------------------------------------------------ Distributed by: Guardian Digital, Inc. 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