From which openssh version can I use a subnet as value for the 'from' parameter in authorized_keys?

Solution Verified - Updated -

Issue

  • When configuring authorized_keys to grant access via ssh to a server, can be useful to restrict the networks from where openssh daemon will allow connections from.

  • From which release of openssh has this feature been introduced?
    From which release of RHEL can I express the filter in the from field as subnet?

Environment

  • Red Hat Enterprise Linux (RHEL)

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