#Basic windows server 2008 security windows 7

On the Properties UI, click the Constraints tab. Right-click Connections to Microsoft Routing and Remote Access Server, and then selectВ Properties. Open theВ NPS UI, click Policies, and then click Network Policies. Make sure thatВ the EAPВ check box is selected and thatВ the MS-CHAP v2В check box is not selected.Д¬onfigure the Network Policy Server (NPS) to only allow connections from clients that use the PEAP-MS-CHAP v2 authentication method.

In the RRAS Server Management window, open the Server Properties dialog box, and then click the Security tab. The procedure for configuring the PEAP-MS-CHAP v2 authentication method for the RRAS server and for turning off the less secure methods MS-CHAP v2 and EAP-MS-CHAP v2 is briefly described in the following steps.Д¬onfigure the authentication method for RRAS On Windows 7, Windows Vista, and Windows XP, the Do not prompt user to authorize new servers or trusted certification authoritiesВ check box in theВ PEAP properties window should be enabled.В By default, it is disabled.Д¬onfigure the RRAS Server for the PEAP-MS-CHAP v2 authentication method The root certificate from which the Server certificate was issued is installed correctly on the client systemвЂ™s store and is turned ON. (The default behavior is ON.) The correct server name must be specified. Server certificate validation is turned ON. Administrators must check the corresponding authentication method options on the RRAS server and the Network Policy Server (NPS) server.ДЄdministratorsВ must also confirm the following:

To enforce the use of PEAP on client platforms, Windows Routing and Remote Access Server (RRAS) servers should be configured to allow only connections that use PEAP authentication, and to refuse connections from clients that use MS-CHAP v2 or EAP-MS-CHAP v2. PEAP with MS-CHAP v2 as the client authentication method is one way to help secure VPN authentication.

Configure PPTP to use PEAP-MS-CHAP v2 for authentication PEAP-MS-CHAP v2 This mitigatesВ this technique by encapsulating the MS-CHAP v2 authentication traffic in TLS. Microsoft suggests that organizations using MS-CHAP v2/PPTP implement the Protected Extensible Authentication Protocol (PEAP) in their networks. Microsoft cautions that any organizations that use MS-CHAP v2 without encapsulation in conjunction with PPTP tunnels for VPN connectivity are running in a potentially nonsecure configuration. Microsoft Challenge Handshake Authentication Protocol version 2 (MS-CHAP v2) is a password-based authentication protocol which is widely used as an authentication method in PPTP-based (Point to Point Tunneling Protocol) VPNs.

#Basic windows server 2008 security windows 7

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