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Feather Linux for firewalls
The firewall infrastructure of GNU/Linux consists of two parts, the kernel (netfilter) and the configuration structure (iptables). In order to build a firewall structure in GNU/Linux, you first need the proper netfilter support, which almost every Linux distribution includes by default. The second part is the set of rules that govern the packets (traffic) to be let in and the packets to deny.
These rule sets are called chains. To set your rules, you must set up a chain of them to manipulate packets appropriately.
By KIVILCIM Hindistan at O'Reilly.
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Spotlight
The security of WordPress plugins
Posted on 18 June 2013. | Checkmarx’s research lab identified that more than 20% of the 50 most popular WordPress plugins are vulnerable to common Web attacks, such as SQL Injection.
Information security executives need to be strategic thinkers
Posted on 17 June 2013. | George Baker, the Director of Information Security at Exostar, talks about the challenges in working in a dynamic threat landscape, offers tips for aspiring infosec leaders, and more.
Large orgs in denial about own security breaches?
Posted on 14 June 2013. | Over two thirds (66%) of large organizations said they either had not experienced a security incident in the last 12-18 months or were unsure if they had.
Vulnerability scanning with PureCloud
Posted on 12 June 2013. | nCircle PureCloud is a cloud-based network security scanning product built upon the companies' vulnerability and risk management system IP360.
Reactions from the security community to the NSA spying scandal
Posted on 11 June 2013. | Read on for comments on this scandal that Help Net Security received from a variety of security professionals and analysts.
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