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V-240449

CAT II (Medium)

The Internetwork Packet Exchange (IPX) protocol must be disabled or not installed.

Rule ID

SV-240449r671088_rule

STIG

VMware vRealize Automation 7.x SLES Security Technical Implementation Guide

Version

V2R2

CCIs

CCI-000382

Discussion

The Internetwork Packet Exchange (IPX) protocol is a network-layer protocol that is no longer in common use. Binding this protocol to the network stack increases the attack surface of the host. Unprivileged local processes may be able to cause the system to dynamically load a protocol handler by opening a socket using the protocol.

Check Content

Check that the IPX protocol handler is prevented from dynamic loading:

# grep "install ipx /bin/true" /etc/modprobe.conf /etc/modprobe.conf.local /etc/modprobe.d/* 

If no result is returned, this is a finding.

Fix Text

Prevent the IPX protocol handler for dynamic loading:

# echo "install ipx /bin/true" >> /etc/modprobe.conf.local