AIX must not respond to ICMPv6 echo requests sent to a broadcast address.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-215430 | SRG-OS-000480-GPOS-00227 | AIX7-00-003135 | SV-215430r991589_rule | 2024-08-16 | 3 |
| Description |
|---|
| Responding to broadcast ICMP echo requests facilitates network mapping and provides a vector for amplification attacks. |
| ℹ️ Check |
|---|
| From the command prompt, run the following command: # /usr/sbin/no -o bcastping bcastping = 0 If the value returned is not "0", this is a finding. |
| ✔️ Fix |
|---|
| Configure the system to not respond to IPv6 multicast ICMP ECHO_REQUESTs by running: # /usr/sbin/no -p -o bcastping=0 |