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Guide to the Secure Configuration of SUSE Linux Enterprise 12

Rules, Groups, and Values defined within the XCCDF Benchmark

  • LDAP

    LDAP is a popular directory service, that is, a standardized way of looking up information from a central database. SUSE Linux Enterprise 12 includes software that enables a system to act as both a...
    Group
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  • Configure OpenLDAP Clients

    This section provides information on which security settings are important to configure in OpenLDAP clients by manually editing the appropriate configuration files. SUSE Linux Enterprise 12 provid...
    Group
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  • Configure OpenLDAP Server

    This section details some security-relevant settings for an OpenLDAP server.
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  • Uninstall openldap-servers Package

    The openldap2 package is not installed by default on a SUSE Linux Enterprise 12 system. It is needed only by the OpenLDAP server, not by the clients which use LDAP for authentication. If the system...
    Rule Low Severity
    Show

  • The mailx Package Is Installed

    A mail server is required for sending emails. The mailx package can be installed with the following command: 
    $ sudo zypper install mailx
    Rule Medium Severity
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  • The Postfix package is installed

    A mail server is required for sending emails. The postfix package can be installed with the following command: 
    $ sudo zypper install postfix
    Rule Medium Severity
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  • Uninstall Sendmail Package

    Sendmail is not the default mail transfer agent and is not installed by default. The <code>sendmail</code> package can be removed with the following command: <pre> $ sudo zypper remove sendmail</pr...
    Rule Medium Severity
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  • Ensure rsyncd service is disabled

    The rsyncd service can be disabled with the following command: 
    $ sudo systemctl mask --now rsyncd.service
    Rule Medium Severity
    Show

  • Configure SMTP For Mail Clients

    This section discusses settings for Postfix in a submission-only e-mail configuration.
    Group
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  • Postfix Network Interfaces

    The setting for inet_interfaces in /etc/postfix/main.cf
    Value
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