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- Can You Completely #Secure #Linux?
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- Security process involves both manual and automated activities for quality assurance. Linux is further reinforced with what Dan Walsh, senior principal #software #engineer at #RedHat called a "silver bullet" for Linux security -- #SELinux. #UnhappyGhost
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- SELinux, which provides mandatory access controls, was originally developed by the #NSA. It has been part of Red Hat Enterprise Linux since the 4.0 release. #GeekSchool #GeekSch00l
- #Open_Source_Security Challenges
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- As opposed to a proprietary model of software development, open source by definition is open. Code, whether it is good, bad or indifferent, is there for all to see and expose. The issue of whether or not security risks can ever be eliminated entirely is one that Linux will likely not solve.
- "It's not a solvable problem. As long as humans write code there will be bugs. The problem we suffer from in the land of open source is the emperor is naked and we can't sneak bug fixes in" Bressers said.
- The fact that bug fixes can't be "sneaked in" provides a high degree of transparency, though it can also potentially make Linux look worse in terms of security when compared to #proprietary #operating_systems.
- While #security_flaws cannot be entirely eliminated, certain classes of flaws can be. For example, Bressers is optimistic about the ability to eliminate #stack_overflow #vulnerabilities. Newer versions of the #GCC #compiler provide a degree of protection for developers to help make sure that such issues don't exist in compiled #code.
- "We can't fix people. I can train out the stupid, but people will still make mistakes that tools can hopefully catch." Bressers said.
- Red Hat is also trying to limit risk with additional #sandboxing of running #applications. Walsh noted that it's possible to require applications to live in their own sandboxed area.
- "We really want to have multiple fences for the #hacker to jump over," Walsh said.
- source : http://www.esecurityplanet.com/open-source-security/can-you-completely-secure-linux.html
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