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Guide to the Secure Configuration of openEuler 2203

Rules, Groups, and Values defined within the XCCDF Benchmark

  • 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

  • Uninstall httpd Package

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

  • Ensure LDAP client is not installed

    The Lightweight Directory Access Protocol (LDAP) is a service that provides a method for looking up information from a central database. The <code>...
    Rule Low Severity
    Show

  • Disable Services Used Only by NFS

    If NFS is not needed, disable the NFS client daemons nfslock, rpcgssd, and rpcidmapd. <br> <br> All of these daemons run with elevated priv...
    Group
    Show

  • Disable rpcbind Service

    The rpcbind utility maps RPC services to the ports on which they listen. RPC processes notify rpcbind when they start, registering the ports they a...
    Rule Low Severity
    Show

  • Disable Network File System (nfs)

    The Network File System (NFS) service allows remote hosts to mount and interact with shared filesystems on the local system. If the local system is...
    Rule Unknown Severity
    Show

  • Obsolete Services

    This section discusses a number of network-visible services which have historically caused problems for system security, and for which disabling or...
    Group
    Show

  • Ensure rsyncd service is disabled

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

  • Uninstall ypserv Package

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

  • Uninstall telnet-server Package

    The telnet-server package can be removed with the following command: 
    $ sudo dnf erase telnet-server
    Rule High Severity
    Show

  • Uninstall tftp-server Package

    The tftp-server package can be removed with the following command: 
     $ sudo dnf erase tftp-server
    Rule High Severity
    Show

  • Print Support

    The Common Unix Printing System (CUPS) service provides both local and network printing support. A system running the CUPS service can accept print...
    Group
    Show

  • Uninstall CUPS Package

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

  • Uninstall Samba Package

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

  • SSH is required to be installed

    Specify if the Policy requires SSH to be installed. Used by SSH Rules to determine if SSH should be uninstalled or configured.<br> A value of 0 mea...
    Value
    Show

  • Disable Host-Based Authentication

    SSH's cryptographic host-based authentication is more secure than <code>.rhosts</code> authentication. However, it is not recommended that hosts un...
    Rule Medium Severity
    Show

  • Allow Only SSH Protocol 2

    Only SSH protocol version 2 connections should be permitted. The default setting in <code>/etc/ssh/sshd_config</code> is correct, and can be verifi...
    Rule High Severity
    Show

  • Disable SSH Access via Empty Passwords

    Disallow SSH login with empty passwords. The default SSH configuration disables logins with empty passwords. The appropriate configuration is used ...
    Rule High Severity
    Show

  • Disable SSH Support for .rhosts Files

    SSH can emulate the behavior of the obsolete rsh command in allowing users to enable insecure access to their accounts via <code>.rhosts</code> fil...
    Rule Medium Severity
    Show

  • Disable SSH Root Login

    The root user should never be allowed to login to a system directly over a network. To disable root login via SSH, add or correct the following lin...
    Rule Medium Severity
    Show

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