3 Configuring an Authentication Server

An authentication server is a network server that validates the credentials sent by the supplicant based on the information stored in its database and determines whether to allow network access or prevent network access to the supplicant.

The most common Authentication server or Radius server used for deployment and testing are FreeRADIUS and Hostapd Server. The following sections explain how to configure a Hostapd Server and FreeRADIUS Server.

To configure a RADIUS server, the user must have the generated server certificate, client certificate and root certificate. The following section explains how to generate a root certificate using OpenSSL.