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Guide to the Secure Configuration of Red Hat Enterprise Linux 7

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Limit Users Allowed FTP Access if Necessary

    If there is a mission-critical reason for users to access their accounts via the insecure FTP protocol, limit the set of users who are allowed this...
    Rule Unknown Severity
    Show

  • Restrict Access to Anonymous Users if Possible

    Is there a mission-critical reason for users to transfer files to/from their own accounts using FTP, rather than using a secure protocol like SCP/S...
    Rule Medium Severity
    Show

  • Use vsftpd to Provide FTP Service if Necessary

    If your use-case requires FTP service, install and set-up vsftpd to provide it.
    Group
    Show

  • Install vsftpd Package

    If this system must operate as an FTP server, install the <code>vsftpd</code> package via the standard channels. The <code>vsftpd</code> package ca...
    Rule Low Severity
    Show

  • Web Server

    The web server is responsible for providing access to content via the HTTP protocol. Web servers represent a significant security risk because: <br...
    Group
    Show

  • Disable Apache if Possible

    If Apache was installed and activated, but the system does not need to act as a web server, then it should be disabled and removed from the system.
    Group
    Show

  • Uninstall httpd Package

    The httpd package can be removed with the following command: 
    $ sudo yum erase httpd
    Rule Unknown Severity
    Show

  • Disable httpd Service

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

  • Disable NGINX if Possible

    If NGINX was installed and activated, but the system does not need to act as a web server, then it should be removed from the system.
    Group
    Show

  • Install Apache if Necessary

    If <code>httpd</code> was not installed and activated, but the system needs to act as a web server, then it should be installed on the system. Foll...
    Group
    Show

  • Confirm Minimal Built-in Modules Installed

    The default <code>httpd</code> installation minimizes the number of modules that are compiled directly into the binary (<code>core prefork http_cor...
    Group
    Show

  • Secure Apache Configuration

    The <code>httpd</code> configuration file is <code>/etc/httpd/conf/httpd.conf</code>. Apply the recommendations in the remainder of this section to...
    Group
    Show

  • HTTPD Log Level

    The setting for LogLevel in /etc/httpd/conf/httpd.conf
    Value
    Show

  • Maximum KeepAlive Requests for HTTPD

    The setting for MaxKeepAliveRequests in httpd.conf
    Value
    Show

  • Configure Error Log Format

    <code>LogFormat</code> should be enabled and set to the following in <code>/etc/httpd/conf/httpd.conf</code>: <pre>LogFormat "a %A %h %H %l %m %s %...
    Rule Medium Severity
    Show

  • Configure The Number of Allowed Simultaneous Requests

    The <code>MaxKeepAliveRequests</code> directive should be set and configured to <xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_max_ke...
    Rule Medium Severity
    Show

  • MIME types for csh or sh shell programs must be disabled

    Users must not be allowed to access the shell programs.
    Rule Medium Severity
    Show

  • Enable HTTPD Error Logging

    ErrorLog should be enabled and set to the following in /etc/httpd/conf/httpd.conf: 
    ErrorLog "logs/error_log"
    Rule Medium Severity
    Show

  • Enable HTTPD LogLevel

    <code>LogLevel</code> should be enabled and set to <xccdf-1.2:sub idref="xccdf_org.ssgproject.content_value_var_httpd_loglevel" use="legacy"></xccd...
    Rule Medium Severity
    Show

  • Enable HTTPD System Logging

    <code>CustomLog</code> should be enabled and set to the following in <code>/etc/httpd/conf/httpd.conf</code>: <pre>CustomLog "logs/access_log" comb...
    Rule Medium Severity
    Show

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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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