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Guide to the Secure Configuration of SUSE Linux Enterprise 12

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Configure auditd max_log_file_action Upon Reaching Maximum Log Size

    The default action to take when the logs reach their maximum size is to rotate the log files, discarding the oldest one. To configure the action ta...
    Rule Medium Severity
    Show

  • Configure auditd Number of Logs Retained

    Determine how many log files <code>auditd</code> should retain when it rotates logs. Edit the file <code>/etc/audit/auditd.conf</code>. Add or modi...
    Rule Medium Severity
    Show

  • Configure auditd space_left on Low Disk Space

    The <code>auditd</code> service can be configured to take an action when disk space is running low but prior to running out of space completely. Ed...
    Rule Medium Severity
    Show

  • Configure auditd space_left Action on Low Disk Space

    The <code>auditd</code> service can be configured to take an action when disk space <i>starts</i> to run low. Edit the file <code>/etc/audit/auditd...
    Rule Medium Severity
    Show

  • Set number of records to cause an explicit flush to audit logs

    To configure Audit daemon to issue an explicit flush to disk command after writing <xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_aud...
    Rule Medium Severity
    Show

  • Include Local Events in Audit Logs

    To configure Audit daemon to include local events in Audit logs, set <code>local_events</code> to <code>yes</code> in <code>/etc/audit/auditd.conf<...
    Rule Medium Severity
    Show

  • Resolve information before writing to audit logs

    To configure Audit daemon to resolve all uid, gid, syscall, architecture, and socket address information before writing the events to disk, set <co...
    Rule Low Severity
    Show

  • Appropriate Action Must be Setup When the Internal Audit Event Queue is Full

    The audit system should have an action setup in the event the internal event queue becomes full. To setup an overflow action edit <code>/etc/audit/...
    Rule Medium Severity
    Show

  • Write Audit Logs to the Disk

    To configure Audit daemon to write Audit logs to the disk, set <code>write_logs</code> to <code>yes</code> in <code>/etc/audit/auditd.conf</code>. ...
    Rule Medium Severity
    Show

  • System Accounting with auditd

    The <code>auditd</code> program can perform comprehensive monitoring of system activity. This section makes use of recommended configuration settin...
    Group
    Show

  • AppArmor

    Many security vulnerabilities result from bugs in trusted programs. A trusted program runs with privileges that attackers want to possess. The prog...
    Group
    Show

  • AppArmor profiles mode

    enforce - Set all AppArmor profiles to enforce mode
    complain - Set all AppArmor profiles to complain mode
    Value
    Show

  • Install the pam_apparmor Package

    The pam_apparmor package can be installed with the following command: 
    $ sudo zypper install pam_apparmor
    Rule Medium Severity
    Show

  • cobbler_use_cifs SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
    Show

  • cobbler_use_nfs SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
    Show

  • collectd_tcp_network_connect SELinux Boolean

    default - Default SELinux boolean setting.
    on - SELinux boolean is enabled.
    off - SELinux boolean is disabled.
    Value
    Show

  • Require modules to be validly signed

    Reject unsigned modules or signed modules with an unknown key. The configuration that was used to build kernel is available at <code>/boot/config-...
    Rule Medium Severity
    Show

  • Configure Logwatch on the Central Log Server

    Is this system the central log server? If so, edit the file /etc/logwatch/conf/logwatch.conf as shown below.
    Group
    Show

  • Key and certificate for kernel module signing

    The private key and certificate to use when signing modules during kernel build process. On systems where the OpenSSL ENGINE_pkcs11 is functional —...
    Value
    Show

  • Enforce all AppArmor Profiles

    AppArmor profiles define what resources applications are able to access. To set all profiles to enforce mode run the following command: <pre>$ sudo...
    Rule Medium Severity
    Show

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