How to configure the remote Access Service in a Windows system

Overview of Remote Access Services

Remote Access Service (remotely access Server,ras) is the ability to allow clients to log on to the network via a dial-up or private connection

(1), Remote access connection mode

The remote Access Service is more applicable to the environment ' all around the cm or travel staff need access to the resources of the Headquarters network '

The remote Access Service for Windows Server 2008 provides a secure, convenient, low-cost remote Access Service

1, dial the number connection

By using services provided by telecommunications providers, such as telephones, ISDX, and X.25, remote clients connect to the physical port of the remote access server using a not-long dial number, and the network used is the dial-up network

The Dial network needs to install the modem on the client to enable the dial network to dial the phone number of a port on the remote access server

2, Virtual private network (Network,vpn private)

A VPN is a point-to-point connection across a public network

Use a specific, TCP/IP special protocol (called a Tunneling Protocol) on a virtual private network client to establish a connection with a virtual private network server

"The benefits of a virtual private network"

Lower costs: By establishing a VPN, you can save a lot of communication costs without having to invest a lot of human and material resources to install and maintain WAN (WAN) devices and remote access devices

Secure and reliable transmission data: VPN uses security technology such as encryption and authentication to ensure the reliability of connected users and the security and confidentiality of data transmission.

Connection Convenient recording: branch If you want to network with the head office, if there is no VPN must be contacted with the telecommunications department from the company a dedicated line and head office, with a VPN, just configure secure connection information can

Full Control: VPN enables users to take advantage of the ISP's devices and services while also securely mastering control of their own network

(2), the components of the Dial network

1. Dial Network Client

Dial network client, remote access client

You need to install a device that can dial a number on the client, such as a modem

2. Remote Access server

Can accept the dial-up connection and transmit data between the client and server connected to the network

3. Wan Basics

Need to install the dialing device, you can establish different types of dialing connections

Dialing method: PSTN (public switch telephone NETWORK,PSTN), Integrated Services Digital Network (Integrated Services Digital Network, ISDN), Asymmetric Digital subscriber Line (asymmetric Digital subscriber LINE,ADSL)

4. Remote protocol

Remote protocols to control the establishment of connections and the transmission of data across a WAN link

Point-to-Point Protocol (point to Point Protocol,ppp)

Serial network protocol (serial Line internet protocol,slip)

Microsoft RAS Protocol