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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-29785r1_rule | ECSC-1 | Medium |
| Description |
|---|
| Responding to broadcast ICMP echo requests facilitates network mapping and provides a vector for amplification attacks. |
| STIG | Date |
|---|---|
| SOLARIS 9 SPARC SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2015-10-01 |
Details
| Check Text ( C-30065r1_chk ) |
|---|
| Determine if the system is configured to ignore IPv6 multicast ICMP echo-requests. Procedure: # ndd -get /dev/ip ip6_respond_to_echo_multicast If the result is not 0, this is a finding. |
| Fix Text (F-26896r1_fix) |
|---|
| Configure the system to not respond to IPv6 multicast ICMP echo-requests. Procedure: # ndd -set /dev/ip ip6_respond_to_echo_multicast 0 This command must also be added to a system startup script. |