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JUEX-RT-001010 - The Juniper perimeter router must be configured to suppress Router Advertisements on all external IPv6-enabled interfaces.
Information
Many of the known attacks in stateless autoconfiguration are defined in RFC 3756 were present in IPv4 ARP attacks. To mitigate these vulnerabilities, links that have no hosts connected such as the interface connecting to external gateways must be configured to suppress router advertisements.NOTE: Nessus has provided the target output to assist in reviewing the benchmark to ensure target compliance.
Solution
Configure the router to suppress Router Advertisements on all external IPv6-enabled interfaces.If IPv6 router advertisements are not used, even for internal interfaces, delete or deactivate the [edit protocols router-advertisement] stanza.
[delete|deactivate] protocols router-advertisement
Delete or deactivate router advertisements on external interfaces.
[delete|deactivate] protocols router-advertisement interface <external interface>
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_Juniper_EX_Switches_Y26M07_STIG.zip
Item Details
Audit Name: DISA Juniper EX Series Switches Router STIG v2r1
Category: CONFIGURATION MANAGEMENT
References: 800-53|CM-6b., CAT|II, CCI|CCI-000366, Rule-ID|SV-254073r844252_rule, STIG-ID|JUEX-RT-001010, Vuln-ID|V-254073
Plugin: Juniper
Control ID: 9cd3f44b13a6263a1e5bc669db8c8a9341b8f17cb779f1d3606c9107ed17792e