CISC-ND-001200 - The Cisco router must be configured to use FIPS-validated Keyed-Hash Message Authentication Code (HMAC) to protect the integrity of remote maintenance sessions.

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Unapproved mechanisms that are used for authentication to the cryptographic module are not verified and therefore cannot be relied upon to provide confidentiality or integrity, and DoD data may be compromised.

Nonlocal maintenance and diagnostic activities are those activities conducted by individuals communicating through a network, either an external network (e.g., the Internet) or an internal network.

Currently, HMAC is the only FIPS-approved algorithm for generating and verifying message/data authentication codes in accordance with FIPS 198-1. Products that are FIPS 140-2 validated will have an HMAC that meets specification; however, the option must be configured for use as the only message authentication code use d for authentication to cryptographic modules.


Configure the router to use SSH version 2 as shown in the example below.

RP/0/0/CPU0:R3(config)#ssh server v2

See Also

Item Details

References: CAT|I, CCI|CCI-002890, Rule-ID|SV-216541r879784_rule, STIG-ID|CISC-ND-001200, STIG-Legacy|SV-105611, STIG-Legacy|V-96473, Vuln-ID|V-216541

Plugin: Cisco

Control ID: 161991dfd8f07d736ca403baaa58ff9632cb53e9d2557eb8db42344fcb65bb10