The system must not respond to broadcast ICMP echo requests.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-216372 | SOL-11.1-050050 | SV-216372r959010_rule | CCI-000366 | medium |
| Description | ||||
| ICMP echo requests can be useful for reconnaissance of systems and for denial of service attacks. | ||||
| STIG | Date | |||
| Solaris 11 SPARC Security Technical Implementation Guide | 2025-05-05 | |||
Details
Check Text (C-216372r959010_chk)
Determine if ICMP echo requests response is disabled.
# ipadm show-prop -p _respond_to_echo_broadcast -co current ip
If the output of this command is not "0", this is a finding.
Fix Text (F-17606r371205_fix)
The Network Management profile is required.
Disable respond to echo broadcast.
# pfexec ipadm set-prop -p _respond_to_echo_broadcast=0 ip