STIGQter: STIG Summary: VMware vSphere 6.7 Photon OS Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 09 Mar 2021:

The Photon operating system must not respond to IPv4 Internet Control Message Protocol (ICMP) echoes sent to a broadcast address.

DISA Rule

SV-239176r675336_rule

Vulnerability Number

V-239176

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

PHTN-67-000105

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

At the command line, execute the following commands:

# sed -i -e "/^net.ipv4.icmp_echo_ignore_broadcasts/d" /etc/sysctl.conf
# echo net.ipv4.icmp_echo_ignore_broadcasts=1>>/etc/sysctl.conf

Check Contents

At the command line, execute the following command:

# /sbin/sysctl -a --pattern ignore_broadcasts

Expected result:

net.ipv4.icmp_echo_ignore_broadcasts = 1

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

Vulnerability Number

V-239176

Documentable

False

Rule Version

PHTN-67-000105

Severity Override Guidance

At the command line, execute the following command:

# /sbin/sysctl -a --pattern ignore_broadcasts

Expected result:

net.ipv4.icmp_echo_ignore_broadcasts = 1

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

Check Content Reference

M

Target Key

5323

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