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Guide to the Secure Configuration of SUSE Linux Enterprise 15

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Verify Permissions on cron.hourly

    To properly set the permissions of /etc/cron.hourly, run the command:
    $ sudo chmod 0700 /etc/cron.hourly
    Rule Medium Severity
  • Verify Permissions on cron.monthly

    To properly set the permissions of /etc/cron.monthly, run the command:
    $ sudo chmod 0700 /etc/cron.monthly
    Rule Medium Severity
  • Verify Permissions on cron.weekly

    To properly set the permissions of /etc/cron.weekly, run the command:
    $ sudo chmod 0700 /etc/cron.weekly
    Rule Medium Severity
  • Verify Permissions on crontab

    To properly set the permissions of /etc/crontab, run the command:
    $ sudo chmod 0600 /etc/crontab
    Rule Medium Severity
  • Uninstall the telnet server

    The telnet daemon should be uninstalled.
    Rule High Severity
  • Web Login Banner Verbiage

    Enter an appropriate login banner for your organization. Please note that new lines must be expressed by the '\n' character and special characters ...
    Value
  • Restrict at and cron to Authorized Users if Necessary

    The <code>/etc/cron.allow</code> and <code>/etc/at.allow</code> files contain lists of users who are allowed to use <code>cron</code> and at to del...
    Group
  • Ensure that /etc/at.deny does not exist

    The file /etc/at.deny should not exist. Use /etc/at.allow instead.
    Rule Medium Severity
  • Ensure that /etc/cron.deny does not exist

    The file /etc/cron.deny should not exist. Use /etc/cron.allow instead.
    Rule Medium Severity
  • Verify Group Who Owns /etc/at.allow file

    If <code>/etc/at.allow</code> exists, it must be group-owned by <code>root</code>. To properly set the group owner of <code>/etc/at.allow</code>, ...
    Rule Medium Severity
  • Verify Group Who Owns /etc/cron.allow file

    If <code>/etc/cron.allow</code> exists, it must be group-owned by <code>root</code>. To properly set the group owner of <code>/etc/cron.allow</cod...
    Rule Medium Severity
  • Verify User Who Owns /etc/at.allow file

    If <code>/etc/at.allow</code> exists, it must be owned by <code>root</code>. To properly set the owner of <code>/etc/at.allow</code>, run the comm...
    Rule Medium Severity
  • Verify User Who Owns /etc/cron.allow file

    If <code>/etc/cron.allow</code> exists, it must be owned by <code>root</code>. To properly set the owner of <code>/etc/cron.allow</code>, run the ...
    Rule Medium Severity
  • Verify Permissions on /etc/at.allow file

    If <code>/etc/at.allow</code> exists, it must have permissions <code>0640</code> or more restrictive. To properly set the permissions of <code>/e...
    Rule Medium Severity
  • Verify Permissions on /etc/cron.allow file

    If <code>/etc/cron.allow</code> exists, it must have permissions <code>0640</code> or more restrictive. To properly set the permissions of <code>...
    Rule Medium Severity
  • Deprecated services

    Some deprecated software services impact the overall system security due to their behavior (leak of confidentiality in network exchange, usage as u...
    Group
  • Uninstall the inet-based telnet server

    The inet-based telnet daemon should be uninstalled.
    Rule High Severity
  • Uninstall the nis package

    The support for Yellowpages should not be installed unless it is required.
    Rule Low Severity
  • Uninstall the ntpdate package

    ntpdate is a historical ntp synchronization client for unixes. It sould be uninstalled.
    Rule Low Severity
  • Uninstall the ssl compliant telnet server

    The telnet daemon, even with ssl support, should be uninstalled.
    Rule High Severity

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