NIST National Checklist Program Security Guide
Rules and Groups employed by this XCCDF Profile
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Disable Support for RPC IPv6
RPC services for NFSv4 try to load transport modules for <code>udp6</code> and <code>tcp6</code> by default, even if IPv6 has been disabled in <cod...Rule Unknown Severity -
Disable IPv6 Addressing on All IPv6 Interfaces
To disable support for (<code>ipv6</code>) addressing on all interface add the following line to <code>/etc/sysctl.d/ipv6.conf</code> (or another f...Rule Medium Severity -
Configure IPv6 Settings if Necessary
A major feature of IPv6 is the extent to which systems implementing it can automatically configure their networking devices using information from ...Group -
Use Privacy Extensions for Address
To introduce randomness into the automatic generation of IPv6 addresses, add or correct the following line in <code>/etc/sysconfig/network-scripts/...Rule Unknown Severity -
Configure Accepting Router Advertisements on All IPv6 Interfaces
To set the runtime status of the <code>net.ipv6.conf.all.accept_ra</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w net.ip...Rule Medium Severity -
Disable Accepting ICMP Redirects for All IPv6 Interfaces
To set the runtime status of the <code>net.ipv6.conf.all.accept_redirects</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w...Rule Medium Severity -
Disable Kernel Parameter for Accepting Source-Routed Packets on all IPv6 Interfaces
To set the runtime status of the <code>net.ipv6.conf.all.accept_source_route</code> kernel parameter, run the following command: <pre>$ sudo sysctl...Rule Medium Severity -
Disable Kernel Parameter for IPv6 Forwarding
To set the runtime status of the <code>net.ipv6.conf.all.forwarding</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w net.i...Rule Medium Severity -
Disable Accepting Router Advertisements on all IPv6 Interfaces by Default
To set the runtime status of the <code>net.ipv6.conf.default.accept_ra</code> kernel parameter, run the following command: <pre>$ sudo sysctl -w ne...Rule Medium Severity -
Disable Kernel Parameter for Accepting ICMP Redirects by Default on IPv6 Interfaces
To set the runtime status of the <code>net.ipv6.conf.default.accept_redirects</code> kernel parameter, run the following command: <pre>$ sudo sysct...Rule Medium Severity
Node 2
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