AIX7-00-003135 - AIX must not respond to ICMPv6 echo requests sent to a broadcast address.

Information

Responding to broadcast ICMP echo requests facilitates network mapping and provides a vector for amplification attacks.

Solution

Configure the system to not respond to IPv6 multicast ICMP ECHO_REQUESTs by running:
# /usr/sbin/no -p -o bcastping=0

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_IBM_AIX_7-x_V3R3_STIG.zip

Item Details

Audit Name: DISA IBM AIX 7.x STIG v3r3

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-215430r991589_rule, STIG-ID|AIX7-00-003135, STIG-Legacy|SV-101819, STIG-Legacy|V-91721, Vuln-ID|V-215430

Plugin: Unix

Control ID: d8292f4c2c4ff06d4e10585fead8e60f666178433bcc189413cc836b8eb924fc