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Guide to the Secure Configuration of UnionTech OS Server 20

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Ensure SSH MaxStartups is configured

    The MaxStartups parameter specifies the maximum number of concurrent unauthenticated connections to the SSH daemon. Additional connections will be dropped until authentication succeeds or the Login...
    Rule Medium Severity
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  • Make the auditd Configuration Immutable

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default), add the following line to a file with suffix <cod...
    Rule Medium Severity
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  • Record Events that Modify the System's Mandatory Access Controls in usr/share

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default), add the following line to a file with suffix <cod...
    Rule Medium Severity
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  • Record Events that Modify the System's Network Environment

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default), add the following lines to a file with suffix <co...
    Rule Medium Severity
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  • Ensure auditd Collects System Administrator Actions

    At a minimum, the audit system should collect administrator actions for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit ...
    Rule Medium Severity
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  • System Audit Logs Must Have Mode 0750 or Less Permissive

    If <code>log_group</code> in <code>/etc/audit/auditd.conf</code> is set to a group other than the <code>root</code> group account, change the mode of the audit log files with the following command...
    Rule Medium Severity
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  • Audit Configuration Files Must Be Owned By Group root

    All audit configuration files must be owned by group root. 
    chown :root /etc/audit/audit*.{rules,conf} /etc/audit/rules.d/*
    Rule Medium Severity
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  • Audit Configuration Files Must Be Owned By Root

    All audit configuration files must be owned by root user. To properly set the owner of <code>/etc/audit/</code>, run the command: <pre>$ sudo chown root /etc/audit/ </pre> To properly set the own...
    Rule Medium Severity
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  • System Audit Logs Must Be Owned By Root

    All audit logs must be owned by root user and group. By default, the path for audit log is <pre>/var/log/audit/</pre>. To properly set the owner of <code>/var/log/audit</code>, run the command: <p...
    Rule Medium Severity
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  • Account for auditd to send email when actions occurs

    The setting for action_mail_acct in /etc/audit/auditd.conf
    Value
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