The 4G cellular router is an industrial version that adds industrial application functions and enhances workmanship and materials on the basis of ordinary routers.The industrial VPN router is a VPN function added on the basis of 4G cellular router.So why is the 4G cellular router VPN enabled? What are the advantages of adding VPN function? This article will take you to understand in detail.
VPN is called virtual private network for short, which is simply to set up a private encrypted network by using public network.The function of VPN is to encrypt the data packet and realize the target address translation and remote access at the same time.Therefore, the router with VPN function is very suitable for projects with high security requirements for data transmission.
Remote users can communicate through VPN, and the cost of communication is greatly reduced.Businesses can save money on buying and maintaining communications equipment.
The use of VPN only requires simple management, and the IP addresses of VPN users can be uniformly allocated.This not only greatly reduces the complexity of the network, but also improves the interconnection of the enterprise network.
In the application of VPN,Through user authentication, tunnel encryption technology and data authentication, the security of private data transmission through the public network is guaranteed.
The common classifications of industrial VPN routers are PPTP, L2TP and IPSEC:
PPTP: The PPTP protocol is the most prevalent and common protocol.Most 4G cellular routers on the market come with the PPTP security protocol, the Point-to-Point Tunneling Protocol.Enables remote users to securely access the corporate network by dialing in to an ISP, through a direct connection to the Internet, or through another network.
L2TP: L2TP is an industry-standard Internet tunneling protocol, similar to PPTP, that also encrypts network traffic.The difference is that PPTP uses a single tunnel and L2TP uses multiple tunnels. L2TP provides header compression and tunnel verification, while PPTP does not.
IPSEC: The IPSEC protocol is not a single protocol.It provides a complete framework for the use of network data security at the IP layer, including network authentication protocols AH, ESP, IKE,And some algorithms for network authentication and encryption.In communication, only the sender and the receiver are the only computers that understand IPSEC protection.The security service of IPSEC is required to support the shared key to complete the authentication and confidentiality, and the key needs to be input manually.
VPN function is very popular in industrial, commercial and civil uses, which can make network transmission more professional and free.Caimao 4G cellular router has VPN function, supports IPSEC, L2TP, PPTP, GRE and other VPN protocols, and supports DHCP client and DDNS.Firewall, SNAT/DNAT, DMZ host, WEB configuration and other practical functions have been strictly designed, tested and applied for 8 years.The product performance is stable and reliable.
4G cellular routers play a vital role in the modern industrial environment. They can not only manage and control industrial networks,It also protects critical data and systems from security threats.Among them, VPN (Virtual Private Network) protocol is an important tool to improve the security and efficiency of remote connection.Play a key role. This article explores the uses and benefits of the 4G cellular router VPN protocol.
The 4G cellular router VPN protocol allows remote users to access and connect to industrial networks through encrypted connections.This capability is especially important for businesses that span geographic locations.Through VPNs, employees, suppliers, and partners can remotely access industrial networks and, if authorized,Perform necessary operations and monitoring. This remote connection greatly improves the flexibility and efficiency of work.
The 4G cellular router VPN protocol uses a powerful encryption algorithm to encrypt data during transmission.This encryption technology can effectively prevent data from being accessed or tampered with by unauthorized personnel.For sensitive data transmitted in industrial networks, such as confidential documents, control instructions, and fault reports,VPN provides a secure communication channel to protect the integrity and confidentiality of data.
The 4G cellular router VPN protocol can also be used to remotely manage and maintain devices connected to industrial networks.Through VPN connection, administrators can remotely access and manage industrial equipment for diagnosis, configuration and update.This remote device management reduces the need for physical access, saves time and cost,And provides greater flexibility and responsiveness.
In industrial networks, it is critical to isolate traffic between different departments, suppliers, and users.The VPN protocol realizes the secure division of traffic by creating a virtual private network.Data traffic between different departments is segregated, even when sharing the same network infrastructure.The security and privacy of data can also be maintained.
Industrial networks face a variety of cyber threats and attacks, such as malware, hacking, and data leakage.VPN protocol provides a secure communication channel, which can effectively prevent these network threats and attacks.By establishing an encrypted VPN connection, the 4G cellular router can hide the real network address and identity.Making it difficult for intruders to track and attack.In addition, VPN protocols can provide an additional layer of protection using security mechanisms such as firewalls and intrusion detection systems,Ensure the safety and reliability of industrial network.
Industrial router VPN protocol plays a vital role in the modern industrial environment.They provide secure, encrypted remote access and connectivity to protect sensitive data in industrial networks.Through VPN, remote users can safely access the industrial network for necessary operation and monitoring.In addition, the VPN protocol also realizes the functions of remote device management, isolation and security segmentation, and prevention of network threats and attacks.By taking full advantage of Industrial router's VPN protocol, enterprises can improve security, flexibility and productivity.Ensure the smooth operation of the industrial network.