As the development of the Industrial Internet (IIoT) continues to accelerate, more and more system operators hope to effectively control various industrial applications such as automation, transportation, and energy through secure remote connections. If remote monitoring, maintenance and problem diagnosis can be achieved, industrial manufacturing will achieve great breakthroughs and operating costs will be greatly reduced. However, when using open networks or the Internet to transmit data, network security is always a big concern for system operators.
To ensure data transmission security, operators typically use virtual private networks (VPNs) to set up encrypted communication tunnels for secure remote access to applications. In addition, the security remote access requirements of different applications or industries may vary. When establishing a secure remote connection, network devices must comply with relevant industry certification standards. As a trusted partner in the automation industry, Moxa is committed to providing operational technology (OT) engineers with product solutions that meet industry needs while simplifying remote connectivity.
Secure remote access requirementsSecure communication
When accessing data remotely, the data transfer must be encrypted.
In the past few years, more and more remote sites have needed to access the central network, resulting in an increasing demand for remote access. In order to prevent malicious attacks and prevent people from stealing or forwarding data transmitted on the channel, remote access must be done via an encrypted VPN tunnel.
2. Flexible connection
In practical applications, VPN requirements vary from application to application.
A common VPN application scenario is for system operators to set up point-to-point communications for remote sites, which requires deploying a pair of IPsec VPN servers and clients. Another common scenario is that engineers located outside the factory need to connect machines in the factory for remote maintenance. In this scenario, it is recommended to use OpenVPN to establish encrypted communication.
3. Reliable and durable
While ensuring remote operation security, it is also necessary to ensure that the reliability of equipment and network is not impaired.
Equipment deployed in industrial environments must be reliable and durable enough to withstand the rigors of harsh environments. Therefore, network equipment must comply with relevant certification standards, such as the UL 508 standard for industrial control equipment and the Class I Division 2 standard for the oil and gas industry. Finally, system operators also need to set up network redundancy to improve network reliability.
VPN solutionâ–¼Safe remote monitoring
â— Secure remote access using VPN
â— Use firewalls to control network traffic between different trusted zones
â— Support IPsec protocol for data encryption and authentication
â–¼Safe Remote Data Acquisition
â— Secure remote access using VPN
â— Check industrial protocols with PacketGuard technology
â— Support IPsec protocol for data encryption and authentication
â— Support RSTP/Turbo Ring redundancy protocol to improve reliability
â— Dual WAN port redundancy to establish a reliable Internet backup connection
â–¼Safe Remote Maintenance
â— Secure remote access using VPN
â— Supports IPsec and OpenVPN protocols for data encryption and authentication, improving flexibility and security.
â— Compliance with ATEX Zone 2 and IECEx standards
Industry application
smart transportation system
Remote monitoring pump station
Water treatment facility
Moxa's VPN solutions are used in a wide range of industries, such as intelligent transportation systems, remote monitoring pumping stations and water treatment facilities. With VPNs and firewalls, you can quickly establish a stable and reliable connection on the public network to ensure that the communication content is intact.
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