# Security settings⁣⁣⁣⁣

The "Security settings" section allows to configure device access and security settings.

### Administrator access <a href="#securitysettings-administratoraccess" id="securitysettings-administratoraccess"></a>

Here you may change system administrator account login and password, to change the identification data, click the "Change admin password" button. We strongly recommend you to set a login and password after the first login to the device.

<figure><img src="https://2734851754-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnG7V17JtC1mMJOmveKc6%2Fuploads%2FPlJzBJ3AwuwYcZb3dYUq%2Fimage.png?alt=media&#x26;token=3609f8ab-6ceb-49d5-a166-7456e85b43f4" alt=""><figcaption></figcaption></figure>

### Radius AAA <a href="#securitysettings-radiusaaa" id="securitysettings-radiusaaa"></a>

Here you may configure a device access control using a remote RADIUS server.

<figure><img src="https://2734851754-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnG7V17JtC1mMJOmveKc6%2Fuploads%2FzqH4buCQ5pj4L2wgb20a%2Fimage.png?alt=media&#x26;token=ec0c2db4-afc1-4aa7-88c3-736a992290fd" alt=""><figcaption></figcaption></figure>

<table><thead><tr><th width="198">Parameter</th><th>Description</th></tr></thead><tbody><tr><td><strong>Address</strong></td><td>Set the RADIUS server IP address.</td></tr><tr><td><strong>Port</strong></td><td>Set the RADIUS server port.</td></tr><tr><td><strong>Password</strong></td><td>Set the server password.</td></tr></tbody></table>

### Command line interface <a href="#securitysettings-commandlineinterface" id="securitysettings-commandlineinterface"></a>

Allows to enable / disable remote device control by the command line using Telnet and SSH protocols.

SSH (Secure Shell) protocol provides secure remote control to network devices. Its functionality is similar to the Telnet protocol, but, unlike Telnet, SSH encodes all protocol messages, including transmitted passwords. By default, only access via Telnet is enabled.

<figure><img src="https://2734851754-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnG7V17JtC1mMJOmveKc6%2Fuploads%2FSND2aI0UFzhrYGp2b3Bq%2Fimage.png?alt=media&#x26;token=d8ebde44-4948-422d-bae1-399b8481ed83" alt=""><figcaption></figcaption></figure>

### Network access whitelist <a href="#securitysettings-networkaccess" id="securitysettings-networkaccess"></a>

This section is used to create a list of subnets from which access to the device will be allowed.

<figure><img src="https://2734851754-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FnG7V17JtC1mMJOmveKc6%2Fuploads%2FR0WXGBvvtrh1wM5XIrAG%2Fimage.png?alt=media&#x26;token=a89d9c7e-fb15-442f-874d-3159eb727455" alt=""><figcaption></figcaption></figure>


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