Linux security tools

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  • OpenSSL

    OpenSSL is a general purpose cryptography library that provides an open source implementation of the SSL and TLS protocols.  

  • Handing out permissions en masse with Linux ACL settings

    Setting permissions one by one will eat up an administrator's time. Control permissions better with Linux ACLs. 

  • SELinux commands you should know before giving up hope

    Rather than giving up on SELinux and allowing permissions you shouldn't, use these SELinux commands to troubleshoot problems. 

  • Securing an Apache Web server with SELinux

    Learn how to keep your Apache Web server secure by applying basic SELinux settings, including adjusting SELinux so Apache uses nondefault settings. 

  • Red Hat Enterprise Linux tools digest

    Many tools can help system administrators use Red Hat Enterprise Linux in their data centers and virtual machines securely with maximum performance. Learn which tools are available and how to use them in your RHEL environment. 

  • SELinux: A fast guide to the Linux kernel security tool

    This handy guide to SELinux presents the best tips and advice on getting started with the Linux kernel security tool – from configuration to managing policies and access control. 

  • SELinux tutorial: Commands and management

    Learn some key commands in SELinux and some user and port management tools to get SELinux running on your Linux servers for a more secure environment. 

  • SELinux tutorial: Configuring RHEL 5 and Web servers

    Configuring SELinux on RHEL 5 is easy using the GUI options. Learn how to set up SELinux using simple menu options and Boolean conditions in this tutorial. Also see how easy it is to secure Web servers such as Apache using SELinux. 

  • SELinux tutorial: Introduction to Linux kernel security

    SELinux may seem too complex for some administrators who instead disable the useful Linux kernel security tool. Learn how SELinux works, including how subjects and objects work and security policy settings. 

  • Open source Web content control options

    Setting up Web filters to control the content employees and customers using your Linux network can access is an important part of securing your Linux system. Learn about some open source solutions for network and desktop Linux content control.