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The MAC (Message Authentication Code) algorithm(s) used for data integrity verification can be selected in the
The system will attempt to use the different HMAC algorithms in the sequence they are specified on the line. The supported MAC names are the following:
Special values for this option are the following:
Any: allows all the MAC values including
AnyStd: allows only those MACs mentioned in the
IETF-SecSh draft (
none: means that no cryptographic data integrity method is used
AnyMac: the same as
Any but excludes
AnyStdMac: the same as
AnyStd but exludes
The default MAC algorithms are:
Reduce Secure Shell risk. Get to know the NIST 7966.
The NISTIR 7966 guideline from the Computer Security Division of NIST is a direct call to action for organizations regardless of industry and is a mandate for the US Federal government.
ISACA Practitioner Guide for SSH
With contributions from practitioners, specialists and SSH.COM experts, the ISACA “SSH: Practitioner Considerations” guide is vital best practice from the compliance and audit community.