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macs

Syntax

macs <algorithm>

Hierarchy Level

[edit system services ssh]

Release Information

Statement introduced in Release 11.2 of Junos OS.

SHA-2 options introduced in Release 12.1 of Junos OS.

Description

Specify the set of message authentication code (MAC) algorithms that the SSH server can use to authenticate messages.

Options

  • hmac-md5—Hash-based MAC using Message-Digest 5 (MD5).
  • hmac-md5-96—96-bits of Hash-based MAC using MD5.
  • hmac-ripemd160—Hash-based MAC using RIPEMD.
  • hmac-sha1—Hash-based MAC using Secure Hash Algorithm (SHA-1).
  • hmac-sha1-96—96-bits of Hash-based MAC using SHA-1.
  • hmac-sha2-256—256-bits of Hash-based MAC using SHA-2.
  • hmac-sha2-256-96—first 96-bits of hmac-sha2-256.
  • hmac-sha2-512—96-bits of Hash-based MAC using SHA-1.
  • umac-64—Message Authentication Code using Universal Hashing.

Note: The macs configuration statement represents a set. Therefore, it should be configured as in the following.

user@host#set system services ssh macs [hmac-md5 hmac-sha1]

Required Privilege Level

system—To view this statement in the configuration.

system-control—To add this statement to the configuration.

Published: 2013-02-22