AIX must not respond to ICMPv6 echo requests sent to a broadcast address.
Overview
| Finding ID |
Version |
Rule ID |
IA Controls |
Severity |
| V-215430 |
AIX7-00-003135 |
SV-215430r991589_rule |
|
Medium |
| Description |
| Responding to broadcast ICMP echo requests facilitates network mapping and provides a vector for amplification attacks. |
Details
| Check Text (C-16628r294741_chk) |
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 Text (F-16626r294742_fix) |
Configure the system to not respond to IPv6 multicast ICMP ECHO_REQUESTs by running:
# /usr/sbin/no -p -o bcastping=0 |