SSH Problem User username from 127.0.0.1 not allowed because not listed in AllowUsers

User username from 127.0.0.1 not allowed because not listed in AllowUsers

What's going on?  The user was created properly, it has been defined as having a shell entry and the entry for /etc/passwd and /etc/shadow is set just fine.

This is a new and very smart/secure feature of SSHD.  It is simple and yet effective, but also very annoying if you didn't know about it being implemented and that hand editing of /etc/ssh/sshd_config is required to allow a newly added SSH user access.

vi /etc/ssh/sshd_config

Search for "AllowUsers"

You'll probably see this:

AllowUsers root

Just add your user underneath:

Eg. AllowUsers YourUserName

That's all there is to it.

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