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Guide to the Secure Configuration of Red Hat Enterprise Linux 8

Rules, Groups, and Values defined within the XCCDF Benchmark

  • fapolicyd Must be Configured to Limit Access to Users Home Folders

    fapolicyd needs be configured so that users cannot give access to their home folders to other users.
    Rule Medium Severity
    Show

  • FTP Server

    FTP is a common method for allowing remote access to files. Like telnet, the FTP protocol is unencrypted, which means that passwords and other data...
    Group
    Show

  • Disable vsftpd if Possible

    To minimize attack surface, disable vsftpd if at all possible.
    Group
    Show

  • Uninstall vsftpd Package

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

  • Disable vsftpd Service

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

  • Configure vsftpd to Provide FTP Service if Necessary

    The primary vsftpd configuration file is /etc/vsftpd.conf, if that file exists, or /etc/vsftpd/vsftpd.conf if it does not.
    Group
    Show

  • Configure Firewalls to Protect the FTP Server

    By default, <code>iptables</code> blocks access to the ports used by the web server. To configure <code>iptables</code> to allow port 21 traffic,...
    Rule Unknown Severity
    Show

  • Disable FTP Uploads if Possible

    Is there a mission-critical reason for users to upload files via FTP? If not, edit the vsftpd configuration file to add or correct the following co...
    Rule Unknown Severity
    Show

  • Place the FTP Home Directory on its Own Partition

    By default, the anonymous FTP root is the home directory of the FTP user account. The df command can be used to verify that this directory is on it...
    Rule Unknown Severity
    Show

  • Enable Logging of All FTP Transactions

    Add or correct the following configuration options within the <code>vsftpd</code> configuration file, located at <code>/etc/vsftpd/vsftpd.conf</cod...
    Rule Unknown Severity
    Show

  • Create Warning Banners for All FTP Users

    Edit the vsftpd configuration file, which resides at <code>/etc/vsftpd/vsftpd.conf</code> by default. Add or correct the following configuration ...
    Rule Medium Severity
    Show

  • Restrict the Set of Users Allowed to Access FTP

    This section describes how to disable non-anonymous (password-based) FTP logins, or, if it is not possible to do this entirely due to legacy applic...
    Group
    Show

  • 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

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