The system must not respond to broadcast ICMP echo requests.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-216372 | SRG-OS-000480 | SOL-11.1-050050 | SV-216372r959010_rule | 2024-11-25 | 3 |
| Description |
|---|
| ICMP echo requests can be useful for reconnaissance of systems and for denial of service attacks. |
| ℹ️ Check |
|---|
| 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 |
|---|
| The Network Management profile is required. Disable respond to echo broadcast. # pfexec ipadm set-prop -p _respond_to_echo_broadcast=0 ip |