How to set up a VPN server under Windows 7 (2)

        4. Then set the network parameters. If the other party can connect to the DHCP server on the local network, you can skip this setting. If the local network does not have a DHCP server, you must set it up. Please click "Internet Protocol Version 4 (TCP/IP)", click the "Properties" button, and select "Specify IP Address". For example, my IP is 192.168.1. , then set an IP segment that is not used, such as from 192.168.1.180 to 192.168.1.199. After setting, press OK, then click "Allow access."

5, according to the above arrangement, after, other users can use the above your account number, and IP address using a VPN connection to your network up.

in particular on the firewall and network users:

If you have a firewall please allow port 1723 and 1701.

If you are a network user, please do mapping 1723 and 1701 ports on the router, generally do 1723 on the line.

Appendix: What is VPN

VPN English name is "VirtualPrivateNetwork", translates to "virtual private network." Vpn is defined as establishing a temporary, secure connection over a public network (usually the Internet), a secure, stable tunnel through a chaotic public network. Use this tunnel to encrypt data several times to achieve the safe use of the Internet. A virtual private network is an extension of an intranet. Virtual private networks help remote users, corporate branches, business partners, and suppliers establish trusted, secure connections to the company's intranet for secure extranet virtual private networks that connect to business partners and users. VPN mainly uses tunnel technology, encryption and decryption technology, key management technology and user and device identity authentication technology.

VPN can provide functions: firewall, authentication, encryption, tunneling.

VPN can be connected via a special encrypted communication protocol to the Internet, the establishment of a proprietary line of communication between two or more located in different parts of the intranet, is like a set up with leased But it doesn't really need to lay physical lines like fiber optic cables. This is like going to the telecommunications bureau to apply for a dedicated line, but there is no need to pay for the laying of the line, nor to buy hardware equipment such as routers. VPN technology is one of the important technologies of routers. It supports VPN functions in switches, firewall devices or Windows 2000 and above. In a word, the core of VPN is to use the public network to establish a virtual private network.