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CIS Ubuntu 22.04 Level 1 Server Benchmark

Rules and Groups employed by this XCCDF Profile

  • nftables

    <code>If firewalld or iptables are being used in your environment, please follow the guidance in their respective section and pass-over the guidanc...
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  • Install nftables Package

    nftables provides a new in-kernel packet classification framework that is based on a network-specific Virtual Machine (VM) and a new nft userspace ...
    Rule Medium Severity
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  • 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
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  • 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
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  • 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
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  • 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
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  • 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...
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  • Remove ufw Package

    The ufw package can be removed with the following command: 
    $ apt-get remove 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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