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This is done by using the Samba file server which offers several interesting tools. Linux must be configured to join a Windows domain. A Linux/Unix server (only Linux is covered).The following components are required to install the access control solution: If this is the case, the RADIUS server tells the switch to open the port and the user will get access to the network. The RADIUS server is able to check on the domain controller if the user exists and if its password is correct. The RADIUS server is allowed to contact the domain controller for user authentication.Īlthough the switch port is down, the workstation can communicate with the RADIUS server via an authentication protocol. Otherwise the switch port will be down for any network traffic. Network access is only granted to the workstation if the user credentials have been authenticated by the FreeRADIUS server. User credentials are verified by using special authentication protocols which belong to the 802.1X standard. A user can connect to the network only if its credentials have been validated by the authentication server. PrinciplesįreeRADIUS offers authentication via port based access control. It is a step by step 'quick & dirty' guide to configure FreeRADIUS server, Network Access Points and Windows XP supplicants. This document describes how to set up FreeRADIUS server in order to authenticate Windows XP network users transparently against Active Directory. The definitive guide by Alan DeKok is at: Introduction