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.

LinuxSecurity.com Feature Extras:

Peter Smith Releases Linux Network Security Online - Thanks so much to Peter Smith for announcing on linuxsecurity.com the release of his Linux Network Security book available free online. "In 2005 I wrote a book on Linux security. 8 years later and the publisher has gone out of business. Now that I'm free from restrictions on reproducing material from the book, I have decided to make the entire book available online."

Securing a Linux Web Server - With the significant prevalence of Linux web servers globally, security is often touted as a strength of the platform for such a purpose. However, a Linux based web server is only as secure as its configuration and very often many are quite vulnerable to compromise. While specific configurations vary wildly due to environments or specific use, there are various general steps that can be taken to insure basic security considerations are in place.

  (Feb 27)
 

Last October, I speculated on the best ways to go about designing and implementing a software backdoor. I suggested three characteristics of a good backdoor: low chance of discovery, high deniability if discovered, and minimal conspiracy to implement.
  (Feb 28)
 

As you mount your defense against the bad guys, it's important to make the distinction between the two major types of attack: the initial compromise and movement.
  (Feb 27)
 

The two largest BitTorrent trackers on the Internet have been down for a few days, and will remain offline for another week. The tracker owners are performing maintenance and replacing hardware to cope with the billions of connection requests they get each day. Interestingly enough, most casual BitTorrent users are completely unaware of the prolonged downtime.
  Two in five Brits cough up for CryptoLocker ransomware's demands (Feb 28)
 

Around two in five people who fall victim to CryptoLocker have agreed to pay a ransom of around