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User authentication
2. At the command line, type config to enter configuration mode:
> config
(config)>
3. (Optional) Paste a TLS certificate and private key in PEM format:
(config)> auth serial identiy "cert-and-private-key"
(config)>
4. Set the method used to verify the certificate of a remote peer:
(config)> auth serial verify value
(config)>
where value is either:
ca: Uses certificate authorities (CAs) to verify.
n
peer: Uses the remote peer's public certificate to verify.
n
5. By default, peers with certificates that have been signed by standard Certificate Authorities
(CAs) are allowed to authenticate. To disable:
(config)> auth serial ca_standard false
(config)>
6. Add the public certificate for a custom certificate authority:
(config)> add auth serial ca_certs CA-cert-name "cert-and-private-key"
(config)>
where:
CA-cert-name is the name of the certificate for the custom certificate authority.
n
cert-and-private-key is the certificate and private key for the custom certificate
n
authority.
Repeat for additional custom certificate authorities.
7. Require a user to login via the TelNet connection before accessing a port.
(config)> auth serial telnet_login?
(config)>
1. Save the configuration and apply the change
(config)> save
Configuration saved.
>
2. Type exit to exit the Admin CLI.
Depending on your device configuration, you may be presented with an Access selection
menu. Type quit to disconnect from the device.
IX20 User Guide
Configure serial authentication
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