VPN is a virtual private network that allows you to connect to a private network from anywhere with an Internet connection. This is useful for business users and individual users. Setting up a VPN allows you to access and read files and printers in your home from anywhere else. The files transmitted from the VPN are encrypted so that your information will not be detected by the sniffer. See how to set up and connect to VPN.
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1: Connect to an existing VPN
1. Use Windows Vista/7/8 system to connect to open the network and sharing center, you can open this interface by searching for "network and sharing".
- Click the "Set up a new connection or network" link. On Vista, this option is in the sidebar.
- Scroll down and select "Connect to Workplace"
- If you already have a WIFI connection, select "No, create a new connection"
- Select "Use an existing network connection (VPN)"
- Enter VPN related information. In the "Network Address" position, enter the server domain name or IP address. Enter any desired comment in "Target Name". You can choose "Continue" in the future
- If you want to set up the connection again later, check "Do not connect now"
- Enter your login information if you want. When creating a connection, you will be asked if you want to set a VPN user name and password. If you have a tight time, or leave it blank, click "Create"
- If you don’t check “Don’t connect now”, then Windows will try to connect to your VPN and you have to enter your login information now
- Connect to VPN. If you want to connect to a VPN, click the network connection icon on the status bar. VPN will be listed in the optional network. Click to select VPN, enter login information and log in.
2. Mac OS X connection. Click the Apple menu and choose "System Preferences" to open the network connection settings area.
- Click the "+" button at the bottom of the left menu and select VPN in the interface
- Select the VPN connection form. You can ask the operator what form your VPN is.
- Label any VPN as appropriate for the "server name". Click Create.
- Enter the VPN login information. Enter the domain name or IP address of the VPN server in "Server Address", and enter the user name and password provided by the VPN administrator.
- Tick "Show VPN connection status in the menu bar" to display the VPN status next to the normal network connection icon
- Click Connect to connect to the VPN server
3. Connect to PPTP VPN (Point-to-Point Transfer Protocol VPN) with Linux. To connect to VPN, you need to install the network manager applet. Many Linux systems have this program pre-installed, but you need to install a specific VPN plug-in to connect to the VPN. VPN manager will tell you the form of your VPN
- Download the network manager program and corresponding plug-ins. You can install both with the following command. Note that this code is suitable for PPTP VPN form, this form is most suitable for home users and small business users: "sudo apt-get install network-manager-gnome network-manager-pptp"
- If you already have this program, just install the plug-in and delete the network-manager-gnome in the above code.
- After installation, use the following code to restart the applet: sudo NetworkManager restart
- Click the network manager icon, select the VPN tab, and click the Add button to add a VPN connection.
- Enter the VPN information. Enter the VPN IP address and domain name in "Gateway". Enter the login information to log in.
- Click the Advanced Options box and make the following adjustments:
- Uncheck PAP and EAP in the confirmation bar
- Check CHAP, MSCHAP, MSCAPv2
- Tick "Use point-to-point encryption"
- Select 128 bytes encryption in the security menu
- Check "Enable state encryption" "Send PPP response packet" and uncheck all others
- Connect to VPN. After adjustment, you can click on the network manager and select VPN. It may be necessary to restart the computer before the VPN option appears.
2: Create a VPN server on Windows
1. Adjust the router settings. You need to open a router port to point to the IP address of the VPN server. Enter the router IP address in the browser, which is generally 192.168.1.1, or 192.168.0.1, or 192.168.2.1. Check the router is the manual to see what address.
- To the port mapping interface. It may also be called a virtual server or application interface.
- Create port mapping population. Randomly set an external port, such as 23452, set the internal port to 1723. Then map to the computer IP address of the VPN server.
2. Open the network connection window. You can directly search for "ncpa.cpl" to enter this window.
3. Press the Alt button to display the menu bar. Click "File" "New incoming connection"
4. Set up users who can access the VPN. By default, the menu will include users registered on your Windows network. You can also click "Add Others" to add other users. You can create a new username and password in this way.
5. Tick "Connect via network". This allows users to connect to the VPN using various network connections.
6. Set whether to share your files. It depends on who you want to allow access to the VPN network. You may need to uncheck "File and Printer Sharing" to protect private files. If you want to control your files remotely, check it.
7. Copy the computer name. The connecting user needs to enter this option when connecting to the VPN.
8. Check the VPN settings. Open the network connection interface (ncpa.cpl), the VPN connection options will appear in the list, and you will be reminded if someone else connects.
3: Create a VPN server with a third-party program
1. Find a VPN software that suits your needs. There are many softwares for setting up personal VPN servers, many are paid, and some offer free versions for basic users. LogMeIn Hamachi and OpenVPN are such software. If you use the free version of LogMeIn Hamachi, your VPN can only have 5 connected users, but it is enough for most individual users.
- For Mac OS X users, try iVPN (Integrated Virtual Private Network). Hamachi also works on Mac OS X
- This part is based on LogMeIN Hamachi.
2. Install the VPN program on a normally open computer. To allow Hamachi to create a private network, the server computer must be on.
- When running the software for the first time, click the blue "power" button to open the server software.
- Select the network menu and click "Create New Network"
- Enter the desired network name to create a strong password.
3. Install the VPN software on the computer to be connected to the VPN. Each connected user must install VPN software.
- On the computer connected to the user, open the VPN software, open the network menu, and select "join an existing network"
- Enter the relevant information, including the network name and password. Click Connect to connect to Hamachi VPN.
4: Create a VPN connection on the mobile device (iOS)
1. Go to "Settings> General> VPN"
2. Click "Add VPN Configuration"
3. Select "PPTP" and enter the VPN account data. You will receive the VPN server, username and password via email
4. Save the VPN configuration. Once the VPN connection is created, you can turn it on or off on the main screen.
5: Create a VPN connection on a mobile device (Android)
1. Click the "Settings" icon
2. Select "Wireless and Network" and click VPN
3. Click "Add VPN Network"
4. Enter the connection name, select the VPN connection type PPTP VPN, and enter the VPN server address in the account data.
Please be careful not to use symbols like spaces, http://, www and / in the server address.
5. Enter the username and password of the VPN account service received via email.
6. Save and click "Connect".
7. Connect. To connect to the VPN server:
- Choose Home> Menu> Settings.
- Click "Wireless and Network".
- Click "VPN Settings".
- The VPN connection you added will appear in the list.
- Click the VPN to connect.
- A dialog box will appear, asking you to enter your credentials. After entering, click Connect.
- After connecting to the VPN, you will see a notification in the status bar of the Android device. If you disconnect, you will receive a notification and see an option to return to the VPN settings section.
Summary
If you install the WIN2003 server version as a VPN server, you can assign a static IP under the user properties. If you use another Win operating system as the VPN server, you may need to create and retain DHCP.
If the VPN client cannot find
your server, or cannot ping your computer name, you may want to add DNS and WINS to the VPN server. For example, to add DNS and WINS to Cisco Firewall PIX, add the "vpdn group 1 client configuation dns dns+ (server name)" code and "vpdn group 1 client configuration wins wins server name".
If you let the w2k/xp professional system as the domain controller, you will see an option "log in with dial-up connection" on the login interface after creating the VPN/dial-up connection. In the login to Windows dialog box, the user can check the dial-up connection. After clicking Confirm, you can use the network connection immediately.
