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The router administrator will ensure ICMPv6 unreachable notifications, and redirects are disabled on all external interfaces of the premise router.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-14670 | NET0802 | SV-15322r1_rule | Medium |
| Description |
|---|
| The Internet Control Message Protocol version 6 (ICMPv6) supports IPv6 traffic by relaying information about paths, routes, and network conditions. Routers automatically send ICMPv6 messages under a wide variety of conditions. ICMPv6 messages are commonly used by attackers for network mapping and diagnosis: Host unreachable, and Redirect. |
| STIG | Date |
|---|---|
| Infrastructure Router Security Technical Implementation Guide Juniper | 2018-09-11 |
Details
| Check Text ( C-12786r1_chk ) |
|---|
| Review the active configuration to determine if controls have been defined to ensure router has ICMPv6 unreachables or redirects disabled any external interfaces. |
| Fix Text (F-14131r1_fix) |
|---|
| The network element configuration must be changed to ensure ICMPv6 unreachables and redirects are disabled at all external interfaces. |