The system must not respond to multicast echo requests.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-216373SOL-11.1-050060SV-216373r959010_ruleCCI-000366low
Description
Multicast echo requests can be useful for reconnaissance of systems and for denial of service attacks.
STIGDate
Solaris 11 SPARC Security Technical Implementation Guide2025-05-05

Details

Check Text (C-216373r959010_chk)

Determine if response to multicast echo requests is disabled. # ipadm show-prop -p _respond_to_echo_multicast -co current ipv4 # ipadm show-prop -p _respond_to_echo_multicast -co current ipv6 If the output of all commands is not "0", this is a finding.

Fix Text (F-17607r371208_fix)

The Network Management profile is required. Disable respond to echo multi-cast for IPv4 and IPv6. # pfexec ipadm set-prop -p _respond_to_echo_multicast=0 ipv4 # pfexec ipadm set-prop -p _respond_to_echo_multicast=0 ipv6