---
title: RADIUS Server Configuration
slug: kronpam-reference-guide-3-9-0/radius-server-configuration
description: Learn how to update the RADIUS server configuration by modifying line 1 in the file "/etc/raddb/sc_radiusd.conf" and setting the secure base URL to "https://127.0.0.1:443". Restart the RADIUS service easily with the command "systemctl restart radiusd".
docTags: 
createdAt: 2022-08-01T11:47:53.000Z
---

1. Open and edit the file **/etc/raddb/kronpam\_radiusd.conf.** Change line 1 as shown below:

```linux
1 : sc_base_url=http://127.0.0.1
change to:
1 : sc_base_url=https://127.0.0.1:443
```

- Restart the RADIUS service with the command:
  `sudo systemctl restart pam-radius`