What does WPS mean on the router? I believe that many users find that the router setup interface has a WPS enable/disable option when using or setting up a wireless router. There is a WPS button on the router body. However, most users do not know exactly what WPS means on the router.
What is WPS function?
When I saw WPS, did I think of WPS office software? Oh, the WPS on the router has nothing to do with the WPS Office software.
WPS in the router is an abbreviation of Wi-Fi Protected Setup, Chinese translation: Wi-Fi security protection setting; It is a wireless encryption authentication method introduced by the Wi-Fi Security Alliance.
Because WPS is a new wireless encryption authentication method, not all wireless clients support WPS encryption authentication; if your wireless device does not support WPS encryption, you cannot use WPS to complete the router and wireless device. Certified, encrypted.
Tips: On some clients or routers, WPS is also called WSC or Qss.
How to use WPS function in router?
There are two ways to accomplish WPS encryption authentication; 1. Press the WPS button; 2. Enter the PIN code.
1, press the WPS button to connect
When a wireless device such as a mobile phone or a notebook searches for a wireless router's WiFi signal and connects it, you can press the WPS button on the router to complete the encryption authentication and connection between the wireless router and the wireless device.
Prompt to press the WPS button to connect
2, enter the PIN connection
When a wireless device such as a mobile phone or a laptop searches for a wireless router's WiFi signal and connects it, you can directly enter a PIN code to complete WPS encryption authentication. The default PIN is on the label attached to the bottom of the router, and the user can view it by himself.
Note: In the setting interface of the wireless router, you can change the PIN code; if you have modified the PIN code, you must enter the modified PIN code before you can complete the WPS encryption authentication.
Vpn router
VPN English full name Virtual Private Network, Chinese translation: virtual private network, also known as virtual private network.
As the name suggests, virtual private network we can understand it as a virtual internal corporate line. It can establish a private communication line between two or more intranets located in different places connected to the Internet through a special encrypted communication protocol. It is like setting up a dedicated line, but it does not Need to really lay physical cables such as fiber optic cable. This is like going to the telecommunications bureau to apply for a dedicated line, but it does not need to pay for the cost of laying the line, and it does not need to purchase hardware equipment such as routers. VPN technology is one of the important technologies that routers have, and it also supports VPN functions in switches, firewall devices, or software such as WINDOWS 2000. In a word, the core of VPN is to use a public network to establish a virtual private network.
A VPN router is a basic configuration that uses a router to implement VPN.
function
First, although DDN technology can realize the interconnection between enterprises, the rental is expensive. Although ADSL broadband is inexpensive, it can only be used by enterprises to access the Internet and cannot achieve interconnection between enterprises. VPN can help realize the interconnection between enterprises that are both economical and secure, that is, enterprises can achieve convenient and quick mutual visits through the ubiquitous Internet.
Second, although INTERNET provides convenience for enterprises to implement data access, its highly open and loose management structure also makes enterprises face serious network security problems. Users can use encryption technology to encrypt the data transmitted over the VPN tunnel to ensure that the data is known only to the intended sender and receiver, thus ensuring data privacy and security.
Deployment plan
1. In pure software mode, the headquarters is installed with the VPN headquarters software gateway, the branch is installed with the VPN branch gateway, and the mobile users (including the out-of-office laptop and the remote stand-alone) install the VPN client. This kind of scheme has done with Microsoft's NT system and desktop system, also has the VPN service and client software that the third party develops.
2. The headquarters adopts a firewall with a VPN function. The branch uses a broadband router with a VPN function. The mobile users (including the out-of-office laptop and the remote stand-alone) install a VPN client with a firewall. Such devices such as VPN firewalls are more professional than general broadband routers with VPN capabilities.
3. The headquarters adopts a broadband router with a VPN function, a broadband router with a VPN function that allows the branch to be broadband, and a VPN client with a WINDOWS server for mobile users (including a laptop and a remote stand-alone).
solution
There are three solutions for VPN: remote access virtual network (Access VPN), intranet virtual network (Intranet VPN), and enterprise extranet VPN (Extranet VPN). These three types of VPNs are separate from traditional remote access networks and internal corporate networks. The intranet and the corporate network of the corporate network and related partners constitute an extranet (external extension).
A VPN gateway is a device that implements a local area network (LAN) to local area network connection. We can literally know that it can implement two major functions: VPN and gateway. Broadly speaking, routers and firewalls that support VPN (virtual private network) can be counted as VPN gateways. Common VPN gateway products can include simple VPN gateways, VPN routers, VPN firewalls, and VPN servers.
Use restrictions
First, if a VPN is set up between a company's internal LAN and an external network, the network card that connects the server and the Internet must obtain a public network address instead of using address translation technology.
Second, there must be a fixed IP address on the side where the VPN server is installed. The client must know the IP address of the server in advance to initiate the connection. The IP address of most users' broadband Internet access is changed, so the dynamic IP address must be converted to static.
Users using dynamic IP can combine dynamic DNS and VPN solutions to resolve dynamic IP to static.
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The so-called portable projector, also known as pocket projector, mainly through the 3M LCOS RGB three-color projector and decoding technology, the traditional huge projector is compact and portable, making the projection technology closer to life and entertainment.
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Applicable fields:
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