2021-07-01 23:10:48 +08:00
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# Secure Shell Access {#sec-ssh}
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Secure shell (SSH) access to your machine can be enabled by setting:
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```nix
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services.openssh.enable = true;
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```
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By default, root logins using a password are disallowed. They can be
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disabled entirely by setting
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2021-07-04 09:56:26 +08:00
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[](#opt-services.openssh.permitRootLogin) to `"no"`.
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2021-07-01 23:10:48 +08:00
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You can declaratively specify authorised RSA/DSA public keys for a user
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as follows:
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```nix
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users.users.alice.openssh.authorizedKeys.keys =
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[ "ssh-dss AAAAB3NzaC1kc3MAAACBAPIkGWVEt4..." ];
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```
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