The Transparent Inter-Process Communication (TIPC) protocol must be disabled or uninstalled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-22533	GEN007540	SV-37604r1_rule	ECSC-1	Medium

Description
The TIPC protocol is a relatively new cluster communications protocol developed by Ericsson. 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.

STIG	Date
Red Hat Enterprise Linux 5 Security Technical Implementation Guide	2017-03-01

Details

Check Text ( C-36758r1_chk )
Verify the TIPC protocol handler is prevented from dynamic loading. # grep 'install tipc /bin/true' /etc/modprobe.conf /etc/modprobe.d/* If no result is returned, this is a finding.

Fix Text (F-31639r1_fix)
Prevent the TIPC protocol handler for dynamic loading. # echo "install tipc /bin/true" >> /etc/modprobe.conf