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Guide to the Secure Configuration of Red Hat Enterprise Linux 9

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Minimize Web Server Loadable Modules

    A default installation of <code>httpd</code> includes a plethora of dynamically shared objects (DSO) that are loaded at run-time. Unlike the aforem...
    Group
  • httpd Core Modules

    These modules comprise a basic subset of modules that are likely needed for base <code>httpd</code> functionality; ensure they are not commented ou...
    Group
  • Minimize Modules for HTTP Basic Authentication

    The following modules are necessary if this web server will provide content that will be restricted by a password. <br><br> Authentication can be p...
    Group
  • Minimize Configuration Files Included

    The <code>Include</code> directive directs <code>httpd</code> to load supplementary configuration files from a provided path. The default configura...
    Group
  • Support Only the Necessary Protocols

    Dovecot supports the IMAP and POP3 protocols, as well as SSL-protected versions of those protocols. Configure the Dovecot server to support only ...
    Group
  • Disable Cyrus IMAP

    If the system does not need to operate as an IMAP or POP3 server, the Cyrus IMAP software should be removed.
    Group
  • Minimize Various Optional Components

    The following modules perform very specific tasks, sometimes providing access to just a few additional directives. If such functionality is not req...
    Group
  • Use Appropriate Modules to Improve httpd's Security

    Among the modules available for <code>httpd</code> are several whose use may improve the security of the web server installation. This section reco...
    Group
  • Deploy mod_security

    The <code>security</code> module provides an application level firewall for <code>httpd</code>. Following its installation with the base ruleset, s...
    Group
  • Deploy mod_ssl

    Because HTTP is a plain text protocol, all traffic is susceptible to passive monitoring. If there is a need for confidentiality, SSL should be conf...
    Group

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