The system must not respond to multicast echo requests.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-216136 | SOL-11.1-050060 | SV-216136r959010_rule | CCI-000366 | low |
| Description | ||||
| Multicast echo requests can be useful for reconnaissance of systems and for denial of service attacks. | ||||
| STIG | Date | |||
| Solaris 11 X86 Security Technical Implementation Guide | 2025-05-05 | |||
Details
Check Text (C-216136r959010_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-17372r372791_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