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Guide to the Secure Configuration of UnionTech OS Server 20

Rules, Groups, and Values defined within the XCCDF Benchmark

  • IPSec Support

    Support for Internet Protocol Security (IPsec) is provided with Libreswan.
    Group
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  • Install libreswan Package

    The libreswan package provides an implementation of IPsec and IKE, which permits the creation of secure tunnels over untrusted networks. The <code>...
    Rule Medium Severity
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  • iptables and ip6tables

    A host-based firewall called <code>netfilter</code> is included as part of the Linux kernel distributed with the system. It is activated by default...
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  • Inspect and Activate Default Rules

    View the currently-enforced <code>iptables</code> rules by running the command: <pre>$ sudo iptables -nL --line-numbers</pre> The command is analog...
    Group
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  • Verify ip6tables Enabled if Using IPv6

    The ip6tables service can be enabled with the following command: 
    $ sudo systemctl enable ip6tables.service
    Rule Medium Severity
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  • Verify iptables Enabled

    The iptables service can be enabled with the following command: 
    $ sudo systemctl enable iptables.service
    Rule Medium Severity
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  • net.ipv6.conf.default.router_solicitations

    Accept all router solicitations by default?
    Value
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  • Set Default ip6tables Policy for Incoming Packets

    To set the default policy to DROP (instead of ACCEPT) for the built-in INPUT chain which processes incoming packets, add or correct the following l...
    Rule Medium Severity
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  • Strengthen the Default Ruleset

    The default rules can be strengthened. The system scripts that activate the firewall rules expect them to be defined in the configuration files <co...
    Group
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  • Set Default iptables Policy for Incoming Packets

    To set the default policy to DROP (instead of ACCEPT) for the built-in INPUT chain which processes incoming packets, add or correct the following l...
    Rule Medium Severity
    Show

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