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The system must not respond to ICMPv6 echo requests sent to a broadcast address.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-23972 | GEN007950 | SV-38829r1_rule | ECSC-1 | Medium |
| Description |
|---|
| Responding to broadcast ICMP echo requests facilitates network mapping and provides a vector for amplification attacks. |
| STIG | Date |
|---|---|
| AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2017-12-08 |
Details
| Check Text ( C-37081r1_chk ) |
|---|
| # /usr/sbin/no -o bcastping If the value returned is not 0, this is a finding. |
| Fix Text (F-32353r1_fix) |
|---|
| Configure the system to not respond to IPv6 multicast ICMP ECHO_REQUESTs. # /usr/sbin/no -p -o bcastping=0 |