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Category Archives: SELinux

Security-Enhanced Linux (SELinux) is a Linux variant that implements a variety of security policies, including U.S. Department of Defense style mandatory access controls, through the use of Linux Security Modules (LSM) in the Linux kernel. It is not a Linux distribution, but rather a set of modifications that can be applied to Unix-like operating systems, such as Linux and BSD. (wikipedia) Usually SELinux comes with RedHat-like Linux distros.

WordPress Sitemap not notifying Search Engines because of SELinux

26-Sep-07

If you use an SELinux-based distro, you may have encountered problems with your XML-Sitemap plugin not updating Google or any of the other search engines (Ask.com, Yahoo) properly. Obviously, since you’re familiar with file security contexts and SELinux, generally-speaking, you learn quickly that you need to indicate a security context type of httpd_cache_t, but […]

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Curing Chronic 403 Errors with chcon

28-May-07

If you cannot access your file(s), despite having set the right chmod and chown values, and you are using Fedora, CentOS or another SELinux-centric flavor of Linux, you may be experiencing a security context issue that occurs when using SELinux (SELinux can be loaded into Debian, but does not come with any Debian-like distros currently). […]

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