1. 11.59 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Routing and Remote Access Service (RRAS)  Can be configured on a Windows Server 2003 computer to create a remote access service (RAS) server that can manage hundreds of concurrent dial-up connections or to receive Virtual Private Network (VPN) connections on the internal network  Can also be configured to provide shared Internet access using Network Address Translation (NAT) or to create a secure connection between two servers on the Internet connecting two LANs (Skill 5) Introducing Routing and Remote Access Service (RRAS)

2. 11.60 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS  Remote access service (RAS) server  A computer running Windows Server 2003 and RRAS  Configured specifically to function using a modem or modem pool  Users can dial in from a remote computer that is also configured with a modem  A Virtual Private Network (VPN) server is a type of remote access server Introducing Routing and Remote Access Service (RRAS) (2) (Skill 5)

3. 11.61 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS  To establish a dial-up connection, Windows Server 2003 uses either PPP or SLIP WAN protocols  Point-to-Point Protocol (PPP)  Allows remote clients to access network resources  Provides error-checking to detect possible problems prior to data transfer  Serial Line Internet Protocol (SLIP)  An older remote communications protocol used by UNIX computers  Does not provide security  Transfers data without checking for errors Introducing Routing and Remote Access Service (RRAS) (4) (Skill 5)

4. 11.62 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS PPP supports many networking and authentication protocols  Password Authentication Protocol (PAP)  The least secure authentication protocol  Uses plain text passwords for authentication  Shiva Password Authentication Protocol (SPAP)  An authentication protocol used to connect to a Shiva server  More secure than PAP; less secure than CHAP or MS-CHAP  Challenge Handshake Authentication Protocol (CHAP)  Sends a challenge message to the client, the client applies an algorithm to the message to calculate a hash value (a fixed-length number), and sends the value to the server  The server also calculates a value and compares it to the client’s  If the values match, a connection is established Introducing Routing and Remote Access Service (RRAS) (5) (Skill 5)

5. 11.63 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS  MS-CHAP  Microsoft’s version of CHAP  The challenge message is specifically designed for Windows operating systems and one-way encryption is used  MS-CHAP2  Authenticates both the client and the server  A different encryption key is used to transmit and receive data  Extensible Authentication Protocol (EAP)  Used to customize your method of remote access authentication for PPP connections  Supports multiple authentication methods  IEEE 802.1X  New in Windows Server 2003 is support for IEEE 802.1X  Allows wireless and Ethernet LAN connections Introducing Routing and Remote Access Service (RRAS) (6) (Skill 5)

6. 11.64 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Figure 11-38 RAS (Skill 5)

7. 11.65 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Figure 11-39 Dial-up connections (Skill 5)

8. 11.66 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Figure 11-40 SLIP and PPP (Skill 5)

9. 11.67 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Figure 11-41 Tunneling (Skill 5)

10. 11.68 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS  Types of dial-up equipment used to establish a connection between a remote network and a remote access client  POTS (Plain Old Telephone System)  ISDN (Integrated Services Digital Network)  DSL (Digital Subscriber Line)  Cable modem lines  Frame relay  Leased telecommunication lines  Modems (asynchronous and synchronous) Understanding Types of Remote Access Connections (Skill 6)

11. 11.69 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Figure 11-49 The Routing and Remote Access console (Skill 7)

12. 11.70 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Figure 11-52 The Security tab (Skill 7) Click to open the Authentication Methods dialog box to set the authentication protocols

13. 11.71 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Remote access profile settings  Allowed dial-in days and times  Connection limits  Allowed dial-in media and phone numbers  Authentication settings  Encryption settings Creating a Remote Access Policy (3) (Skill 8)

14. 11.72 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Figure 11-54 The Dial-in tab in the Properties dialog box for a user (Skill 8) Only available in Windows 2000 native mode or Windows 2003 mode domains. When this option is set, the permissions configured in the remote access policy are checked. If they are set to Grant, the profile is applied. If they are set to Deny, the caller is disconnected.

15. 11.73 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Figure 11-56 The Inbound Filters dialog box (Skill 8) Click to open the Add IP Filter dialog box

16. 11.74 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Figure 11-66 The Encryption tab (Skill 8) Allows clients to connect using 40-bit encryption key MPPE or IPSec encryption Allows clients to connect using 56-bit encryption key MPPE or IPSec encryption Allows clients to connect using 128-bit encryption key MPPE or IPSec encryption Allows clients to connect without using data encryption

17. 11.75 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Figure 11-68 Creating a VPN (Skill 9)

18. 11.76 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Figure 11-69 Creating a VPN server (Skill 9)

19. 11.77 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS  Network Address Translation (NAT) also allows computers on a network to share a single Internet connection, but with greater flexibility  The NAT service translates private IP addresses to public IP addresses and vice versa as they are forwarded from client computers to a server or from the server to client computers  Using NAT, you can determine your own IP address range, making NAT extendable for a larger network that has multiple subnets over a routed network  NAT includes a basic firewall to help protect clients from intrusions from the Internet  You can also configure static packet filters to designate the kinds of traffic you will allow to both enter and leave the internal network Introducing Network Address Translation (NAT) (Skill 11)

20. 11.78 © 2004 Pearson Education, Inc. Exam 70-290 Managing and Maintaining a Microsoft® Windows® Server 2003 Environment Lesson 11: Introducing WINS, DNS, and RRAS Figure 11-81 NAT (Skill 11)