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Guide to the Secure Configuration of Oracle Linux 7

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Restrict unprivileged access to the kernel syslog

    Enforce restrictions on unprivileged users reading the kernel syslog via dmesg(8). The configuration that was used to build kernel is available at...
    Rule Medium Severity
  • Ensure Log Files Are Owned By Appropriate Group

    The group-owner of all log files written by <code>rsyslog</code> should be <code>root</code>. These log files are determined by the second part of ...
    Rule Medium Severity
  • Dectivate firewalld Rules

    Firewalls can be used to separate networks into different zones based on the level of trust the user has decided to place on the devices and traffi...
    Group
  • Network Manager

    The NetworkManager daemon configures a variety of network connections. This section discusses how to configure NetworkManager.
    Group
  • NetoworkManager DNS Mode

    This sets how NetworkManager handles DNS. none - NetworkManager will not modify resolv.conf. default - NetworkManager will update /etc/resolv.con...
    Value
  • Verify that All World-Writable Directories Have Sticky Bits Set

    When the so-called 'sticky bit' is set on a directory, only the owner of a given file may remove that file from the directory. Without the sticky b...
    Rule Medium Severity
  • Ensure All SGID Executables Are Authorized

    The SGID (set group id) bit should be set only on files that were installed via authorized means. A straightforward means of identifying unauthoriz...
    Rule Medium Severity
  • Verify Permissions on group File

    To properly set the permissions of /etc/group, run the command:
    $ sudo chmod 0644 /etc/group
    Rule Medium Severity
  • Add nosuid Option to /var

    The <code>nosuid</code> mount option can be used to prevent execution of setuid programs in <code>/var</code>. The SUID and SGID permissions should...
    Rule Medium Severity
  • 389 Directory Server

    389 Directory Server is a popular open-source LDAP server for Linux.
    Group

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