June 2007 Insights on Linux Security Tools and Practices
Jun 25, 2007
•
Anthony Pell
2 - 4 min read
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LinuxSecurity.com Feature Extras:
Review: Practical Packet Analysis - In the introduction, McIlwraith points out that security awareness training properly consists of communication, raising of issues, and encouragement to modify behaviour. (This will come as no surprise to those who recall the definition of training as the modification of attitudes and behaviour.) He also notes that security professionals frequently concentrate solely on presentation of problems. The remainder of the introduction looks at other major security activities, and the part that awareness plays in ensuring that they actually work.
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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.
| Security Fears Slow Virtualization | ||
23rd, June, 2007
"More than half (52 percent) say the technology introduces some new security challenges." I asked this question to myself; What makes virtualization less secure then a physical installation of a Linux OS? What is the fear? Is it the fear of a attack called guest-to-guest attack or is the fear of virtualization software it's self? As the with any software which gains popularity there will be an increase of vulnerabilities but it's up to the user to make it secure. |
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| Using RBL and DCC for Spam Protection | ||
16th, June, 2007
I run a Postfix-based mail server that services a few hundred users with an average load of a couple of thousand legitimate messages a day -- but thanks to spam, the actual load on the server is much higher. I use Realtime Blackhole Lists (RBL) and Distributed Checksum Clearinghouse (DCC) clients on Postfix and SpamAssassin to reduce the impact of spam. |
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| Take a Look at Snort; Your Computer Will Thank You | ||
20th, June, 2007
If you think that Snort is not worth the time to learn and setup; this article will change your mind. "Snort is, by far, the gold standard among open source NIDS systems, with over 100,000 users and 3 million downloads to date." With the help of the Snort's website which, contains a wealth of documentation any Linux user should be able to setup Snort quickly. |
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| Firefox Extensions Waiting to Be Exploited | ||
21st, June, 2007
Firefox has been hit hard with security vulnerabilities in the past few months. "I would also point out that there is a fairly sizable security concern that may be addressed, as effectively as some security experts might like. It's called the Firefox extension. ". Should we all just stop using any extensions? Or should we just check any extension updates before we install them. After reading this article the next time I download a update on Firefox I will think twice before preceding to install it. |
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| Suse Linux Gets Better Virtualization, Security? | ||
| 20th, June, 2007 | ||
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