The IPv6 protocol handler must not be installed unless needed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22543	GEN007740	SV-38924r1_rule	ECSC-1	Medium

Description
IPv6 is the next generation of the Internet protocol. Binding this protocol to the network stack increases the attack surface of the host. Unprivileged local processes may be able to cause the kernel to dynamically load a protocol handler by opening a socket using the protocol.

STIG	Date
Draft AIX Security Technical Implementation Guide	2011-08-17

Details

Check Text ( C-37909r1_chk )
If the IPv6 protocol handler is not available as an optional software package for the system, this is not applicable. AIX has the IPv6 protocol installed with the bos.tcp.net.* filesets and it is not uninstallable; therefore this is not applicable. If the system uses IPv6, this is not applicable. If the IPv6 protocol handler is installed, this is a finding

Fix Text (F-33167r1_fix)
No fix can be performed to remove the IPv6 software.