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Linux Security Week: October 17th 2005 Print E-mail
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Source: Contributors - Posted by Benjamin D. Thomas   
Linux Security Week This week, perhaps the most interesting articles include "Web Application Firewall Evaluation Criteria Announced," "Perform due diligence with RFID security," and "Government must push on IT security."

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  • Real-time access to system and service log information


LINUX ADVISORY WATCH - This week, advisories were released for mason, cpio, dia, masqmail, shorewall, tcpdump, openvpn, up-imapproxy, ethereal, weex, py2play, graphviz, xloadimage, xli, xine-lib, hylafax, Ruby, SVG, hexlix player, uw-imap, openssl, thunderbird, binutils, and libuser. The distributors include Debian, Gentoo, and Red Hat. Feature Extras:

Linux File & Directory Permissions Mistakes - One common mistake Linux administrators make is having file and directory permissions that are far too liberal and allow access beyond that which is needed for proper system operations. A full explanation of unix file permissions is beyond the scope of this article, so I'll assume you are familiar with the usage of such tools as chmod, chown, and chgrp. If you'd like a refresher, one is available right here on

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.

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!

Take advantage of our Linux Security discussion list! This mailing list is for general security-related questions and comments. To subscribe send an e-mail to with "subscribe" as the subject.

Thank you for reading the 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.

  Guardian Digital launches new edition of award-winning EnGarde Secure Linux platform
  10th, October, 2005

Guardian Digital, Inc., the world's premier provider of open source security solutions, today announced the latest innovation of its product portfolio with the launch of EnGarde Secure Linux: Community Edition, a freely-available version of its award-winning enterprise product. EnGarde is the first product to bring complete Web-based management capability, Security-Enhanced Linux functionality, and the ability to control a complete Internet presence in one platform.

  How to keep instant messaging off the record
  13th, October, 2005

Sometimes encryption isn't enough to keep your conversations private. With standard encryption, it's theoretically possible for someone to steal your secret encryption keys and decipher the conversation. For conversations that need to be kept confidential, the Off-the-Record (OTR) plugin for Gaim saves the day. It leaves no trace of a conversation ever having taken place.

  What Are Digital Vaults?
  11th, October, 2005

A major challenge that is faced by all organisations selecting IT technology is trying to clearly understand how a particular solution may address the challenges they are tasked with solving. And this often involves trying to understand what various vendors mean when using generic terminology.

  Insider Security Threats Q&A
  12th, October, 2005

We conducted a brief Q&A session with David Lynch, CMO at Apani Networks, a global network security software provider focused on securing inside the network perimeter. He discusses the security breach in White House, internal security attacks in general and how to prevent them.

  Red Hat Certified Security Specialist
  14th, October, 2005

Red Hat yesterday announced the availability of a new security certification for IT professionals: Red Hat Certified Security Specialist (RHCSS). The announcement of the RHCSS certification is the Company's latest milestone in its "Security in a Networked World" initiative lanched in August.

  Web Application Firewall Evaluation Criteria Announced
  10th, October, 2005

The Web Application Firewall Evaluation Criteria project announced its first public release. The goal of the project is to develop a testing methodology that can be used by any reasonably skilled technician to independently assess quality of a web application firewall.

  Playing Nice With Physical Security
  10th, October, 2005

At a small company, the information security manager is sometimes also responsible for physical security. At very large corporations, the physical security - sometimes called safety and security - is a completely separate department, responsible for hardware such as biometric ID or badge systems, security cameras and the management of guards. Safety and security departments handle investigations of physical breaches, such as theft, and workplace violence.

  Google fixes Web site security bug
  11th, October, 2005

Google has fixed a security flaw on its Web site that opened the door to phishing scams, account hijacks and other attacks, security researchers said Monday.

  Perform due diligence with RFID security
  12th, October, 2005

Most notably, EPCglobal Gen 2 standards currently lack over-the-air data-stream encryption between passive RFID tags and readers, though there are provisions for locking RFID tag memory and disabling tags. EPCglobal Gen 2 is the current standard for how passive tags affixed to items and encoded with information about them communicate wirelessly with readers, which collect that information and pass it to upstream applications.

  Developers 'should be liable' for security holes
  12th, October, 2005

Security expert Howard Schmidt wants coders to be held responsible for vulnerabilities in their code, but others say their employers should be held to account

  I get a right good fisking
  13th, October, 2005

On a technical level it's wrong to call this a fisk. More like a right good padding. But I wasn't writing on a technical level. I was writing from a business perspective. Is Windows inherently less secure than Linux, or just more popular? Presently available data is inconclusive, because Windows still holds the bulk of consumer and small business market share.

  Government must push on IT security
  14th, October, 2005

IT security has matured significantly over the past few years. An increase in the number of viruses such as Slammer, the advent of phishing, and a spate of high-profile attacks on organisations such as Sumitomo Bank, have pushed security to the top of many company agendas. While such publicity is scaring people into action, security still has a long way to go before it is embedded in everyday life.

  Hacking for Dollars
  11th, October, 2005

Threats to information security come in all shapes and sizes, and from all directions: blended threats, mass-mailer worms, Trojans, phishing attacks, spyware, keystroke loggers, etc. Every day, one or more of these threats put critical information at risk in Internet-connected corporations and businesses around the globe.

  Basic Bluetooth Security
  14th, October, 2005

Bluetooth has been around since the 90s, and even today, most mobile devices come with the technology embedded in them. Bluetooth provides a wireless, point-to-point, "personal area network" for personal digital assistants (PDAs), notebooks, printers, mobile phones, audio components, and other devices. The wireless technology can be used anywhere if you have two or more devices that are Bluetooth-enabled. And as with any wireless connectivity, there are bound to be security issues since data is being sent over the air invisibly from device to device.


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