Some time ago, the NSA released an excellent guide how to harden RHEL5 systems. Despite of being written for RHEL5, it partially also applies to RHEL6 and newer versions of Fedora. It is also worth looking at it for users of non-RH breed distributions. To be mentioned: Its clearly focused on server systems, not desktops. Some of the topics are really basic stuff which is already in place as industries “best practices”, other methods are not that well known. Most ….Read More