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Guide to the Secure Configuration of Alibaba Cloud Linux 3

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Ensure System Log Files Have Correct Permissions

    The file permissions for all log files written by <code>rsyslog</code> should be set to 640, or more restrictive. These log files are determined by the second part of each Rule line in <code>/etc/r...
    Rule Medium Severity
    Show

  • systemd-journald

    systemd-journald is a system service that collects and stores logging data. It creates and maintains structured, indexed journals based on logging information that is received from a variety of sou...
    Group
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  • Enable rsyslog to Accept Messages via UDP, if Acting As Log Server

    The <code>rsyslog</code> daemon should not accept remote messages unless the system acts as a log server. If the system needs to act as a central log server, add the following lines to <code>/etc/r...
    Rule Unknown Severity
    Show

  • Verify firewalld Enabled

    The firewalld service can be enabled with the following command: 
    $ sudo systemctl enable firewalld.service
    Rule Medium Severity
    Show

  • Ensure logrotate is Installed

    logrotate is installed by default. The logrotate package can be installed with the following command: 
     $ sudo yum install logrotate
    Rule Medium Severity
    Show

  • Ensure Logrotate Runs Periodically

    The <code>logrotate</code> utility allows for the automatic rotation of log files. The frequency of rotation is specified in <code>/etc/logrotate.conf</code>, which triggers a cron task or a timer...
    Rule Medium Severity
    Show

  • Configure rsyslogd to Accept Remote Messages If Acting as a Log Server

    By default, <code>rsyslog</code> does not listen over the network for log messages. If needed, modules can be enabled to allow the rsyslog daemon to receive messages from other systems and for the ...
    Group
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  • Ensure syslog-ng is Installed

    syslog-ng can be installed in replacement of rsyslog. The syslog-ng-core package can be installed with the following command: 
    $ sudo yum install syslog-ng-core
    Rule Medium Severity
    Show

  • Enable syslog-ng Service

    The <code>syslog-ng</code> service (in replacement of rsyslog) provides syslog-style logging by default on Debian. The <code>syslog-ng</code> service can be enabled with the following command: <pr...
    Rule Medium Severity
    Show

  • Enable rsyslog to Accept Messages via TCP, if Acting As Log Server

    The <code>rsyslog</code> daemon should not accept remote messages unless the system acts as a log server. If the system needs to act as a central log server, add the following lines to <code>/etc/r...
    Rule Unknown Severity
    Show

Node 2

siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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