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V-256575

CAT II (Medium)

The Photon operating system must not perform IPv4 packet forwarding.

Rule ID

SV-256575r991589_rule

STIG

VMware vSphere 7.0 vCenter Appliance Photon OS Security Technical Implementation Guide

Version

V1R4

CCIs

CCI-000366

Discussion

Routing protocol daemons are typically used on routers to exchange network topology information with other routers. If this software is used when not required, system network information may be unnecessarily transmitted across the network.

Check Content

At the command line, run the following command:

# /sbin/sysctl -a --pattern "net.ipv4.ip_forward$"

Expected result:

net.ipv4.ip_forward = 0

If the output does not match the expected result, this is a finding.

Fix Text

At the command line, run the following commands:

# sed -i -e "/^net.ipv4.ip_forward/d" /etc/sysctl.conf
# echo net.ipv4.ip_forward=0>>/etc/sysctl.conf
# /sbin/sysctl --load