Fend's Data Diodes are Now Part of the MetaDefender Platform

MetaDefender
Bilateral Security Gateway^™

Bilateral Security Gateway for IT and OT

MetaDefender Bilateral Security Gateway supports real-time replication of Historians and SQL databases without compromising the security and integrity of your critical production systems, and without requiring data retransmission

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Easy to Deploy

The Preconfigured Platform
Deploys Quickly and Seamlessly

Guaranteed Payload Delivery

IEC 62443 Certified

High Availability

Maximize Uptime
& Minimize Data Loss

Bilateral Support

Receive Data Replies for Industrial Historians and SQL Database Servers

Simple to Operate

Scalable

Transparent to Users

Product Overview

Learn how MetaDefender Bilateral Security Gateway supports secure, real-time replication of historians and SQL
databases across network zones without retransmission.

To learn about our commitment, see Why We Entered the Data Diode & Gateway Business.

Space-Efficient and Easily Rack-Mounted

Lossless OT to IT data communications
Includes a unique mechanism to permit receiving data replies for select applications
Isolates OT/ICS assets against cyberattacks
Assures reliable database replication with no database synchronization issues
Segments and protects networks, devices, historians, SCADA, DCS, HMIs, and PLCs

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Bilateral Security Gateway

Configurations
Configurations	Throughput	100 Mbps, 1 Gbps, or 10 Gbps
Electrical
Electrical	Redundant Power Supply	250W
	Voltage	100-240VAC, auto ranging
	Power Consumption	150W typical
Hardware
Hardware	Dimensions	2x 19 x 1.75 x 15.75" (483 x 44 x 400mm)
	Weight	2x 27lb (12.2kg)
	Operating Temp	32 – 131°F (0 – 55°C)
	MTBF	>50,000 hours
	Mounting	1U rack kit included
Other Specifications
Other Specifications	Connectivity	2x USB for connecting provided crypto keys
Other Specifications	Tested Latency¹	0.6ms TCP, 0.7ms UDP
Protocol & Certification
Protocol & Certification	Industrial	Modbus, OPC (UA, DA, A&E), MQTT, IEC104 DNP3, AVEVA, PI historian, ICCP
	IT	UDP, TCP, HTTP, HTTPS, SMTP Video/audio stream transfer Ethernet packet transfer
	IT Monitoring	Log Transfer, SNMP Traps, SPAN, SYSLOG, SIEM integration via SYSLOG, Screen view
	File System	FTP, FTPS, SFTP, Folder and file transfer/copy, Windows File Share, SMB, CIFS, Antivirus updates, Patch (WSUS) updates
	Environmental Compliance	FCC Class A Mark, BIS, FCC, IC CE, WPC, RoHS, REACH
	Certification	IEC 62443, FCC/CE/UKCA

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1. Actual latency results may vary according to setup used, traffic characteristics, and network topology.

Watch the Diodes in Action

Discover the OPSWAT MetaDefender NetWall family through a series of technical videos. These clips delve into the products' mechanics, highlight their durability under extreme testing, and feature interviews with industry experts, providing valuable insights.

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Playlist

6 videos

OPSWAT MetaDefender Bidirectional Security Gateway
What is a Data Diode?
Why are Data Diodes Used?
How are Data Diodes Used in the Power Generation Industry?
How the Oil & Gas Industry Uses Data Diodes for #Cybersecurity
Into the Breach: How Hackers Break Firewalls & The Truth About Data Diodes | Trailer 1

Playlist

6 videos

How are Data Diodes Used in the Power Generation Industry?
How the Oil & Gas Industry Uses Data Diodes for #Cybersecurity
Into the Breach: How Hackers Break Firewalls & The Truth About Data Diodes | Trailer 1
What Are the Differences Between Data Diodes and Firewalls?
How Do Data Diodes Help Against AI-Generated Threats?
How Can Data Diodes Work With Firewalls

Bilateral Security Gateway Deployment

MetaDefender Bilateral Security Gateway strictly enforces one-way data flows, but also employs a proprietary bilateral mechanism to handle data replies needed by SQL databases and industrial historians hosted in your OT environment.

Explore a technical deep-dive in Can AI-Enabled Malware Bypass Data Diodes?

From Fast to Gigafast, Solutions for Every Industrial Enterprise

MetaDefender Bilateral Security Gateway is a preconfigured appliance:

2 19" 1U rack mounted servers
Includes PCIe cards, data link cable, USB security dongles, and management console

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Scalable Industrial Cybersecurity

Protects against Industrial attack techniques outlined by MITRE ATT&CK for ICS.

Easy to Deploy

Preconfigured platform deploys quickly and seamlessly.

Highly Scalable

We offer a 100Mbps base platform that can be field upgraded to 1Gbps. Additionally, we offer an option for 10Gbps delivered on enterprise servers.

Simple to Operate

Ready for use in minutes after one-time initial setup. No firewall audit or configuration needed.

Transparent to Users

Fast and high-fidelity data replication means there is no need to alter work procedures of corporate users.

Unique, Bilateral Support

Adds the ability to receive data replies for industrial Historians and SQL database servers.

Enables Regulatory Compliance

Supports compliance with Industrial Cybersecurity standards: NERC CIP – NIST CSF, ICS, 800-82, 800-53 – IEC 62443 – NRC 5.71 – CFATS ISO 27001, 27032, 27103 – ANSSI – IIC SF and more

Full Support for Industrial Protocols

Includes TCP, UDP, HTTPS, FTP, SFTP, FTPS, SMB, Windows file Share, CIFS, SMTP, Video, Aveva Pi, Modbus, OPC DA/AE/UA, MQTT, DNP3, IEC-104, ICCP, and Screen View.

MetaDefender NetWall vs. Firewall, Router Rules & VLANS

True unidirectional behavior, with no possibility of routable connections to protected zone.

For a more detailed comparison, explore Data Diodes vs Firewalls.

Feature	MetaDefender NetWall	Networking Solutions
Routing configuration
Protocol break, completely removed from TCP/IP connection
Meets functional requirements of data diodes
Guaranteed delivery with non-repudiable data movement
No complex rule-building
Guaranteed prevention of malware propagation
No ARP, BGP, TCP/IP handshake

MetaDefender Optical
Diode Selector

Quickly determine the best-fit diode for secure and compliant unidirectional data flows across critical OT/ICS environments—powered by OPSWAT’s trusted optical and hardware-enforced diode technology.

Get Your Recommendation

“OPSWAT's solutions not only protect the critical assets of businesses but also provide the necessary tools and information to improve cybersecurity strategies.”

Nguyen Quoc Phong

Cyber Security Solution Specialist

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