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CIS Ubuntu 20.04 Level 2 Server Benchmark

Rules and Groups employed by this XCCDF Profile

  • Uninstall nftables package

    nftables is a subsystem of the Linux kernel providing filtering and classification of network packets/datagrams/frames and is the successor to ipta...
    Rule Medium Severity
    Show

  • Verify nftables Service is Enabled

    The nftables service allows for the loading of nftables rulesets during boot, or starting on the nftables service The <code>nftables</code> servic...
    Rule Medium Severity
    Show

  • Verify nftables Service is Disabled

    nftables is a subsystem of the Linux kernel providing filtering and classification of network packets/datagrams/frames and is the successor to ipta...
    Rule Medium Severity
    Show

  • Ensure nftables Default Deny Firewall Policy

    Base chain policy is the default verdict that will be applied to packets reaching the end of the chain. There are two policies: accept (Default) an...
    Rule Medium Severity
    Show

  • Ensure nftables Rules are Permanent

    nftables is a subsystem of the Linux kernel providing filtering and classification of network packets/datagrams/frames. The nftables service reads ...
    Rule Medium Severity
    Show

  • Ensure Base Chains Exist for Nftables

    Tables in nftables hold chains. Each table only has one address family and only applies to packets of this family. Tables can have one of six famil...
    Rule Medium Severity
    Show

  • Set nftables Configuration for Loopback Traffic

    Configure the loopback interface to accept traffic. Configure all other interfaces to deny traffic to the loopback network.
    Rule Medium Severity
    Show

  • Ensure a Table Exists for Nftables

    Tables in nftables hold chains. Each table only has one address family and only applies to packets of this family. Tables can have one of six famil...
    Rule Medium Severity
    Show

  • Uncomplicated Firewall (ufw)

    The Linux kernel in Ubuntu provides a packet filtering system called netfilter, and the traditional interface for manipulating netfilter are the ip...
    Group
    Show

  • Install ufw Package

    The ufw package can be installed with the following command: 
    $ apt-get install ufw
    Rule Medium 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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Modules