- Publish date: 03/20/2026
- Product release date: 02/28/2022
- Product Version: 5.13.0
- Product Webpage
MetaDefender Unidirectional Security Gateway
MetaDefender Unidirectional Security Gateway (USG) assures uncompromising security for OT/IT communications, providing access to real-time OT data and enabling secure IT-OT data and file transfers without the risk of introducing security threats to critical OT production networks and assets. MetaDefender USG enforces one way data flows while guaranteeing payload delivery and preventing data loss and retransmission.
MetaDefender Unidirectional Security Gateway supports OPC UA and OPC Classic (DA, A&E) unidirectional data transfer.
Product details
| Category: Gateway |
Supported Profiles and Facets
Application Profiles:
UACore 1.04
- Standard 2017 UA Server Profile
Security Policies:
UACore 1.04
- SecurityPolicy - Aes256-Sha256-RsaPss
- SecurityPolicy - PubSub-Aes256-CTR
- SecurityPolicy [B] – Basic256Sha256
- SecurityPolicy – Basic256
User Tokens:
UACore 1.04
- User Token – User Name Password Server Facet
- User Token – X509 Certificate Server Facet
Capacities |
|
| Max. SecureChannels: | 20 |
| Max. Sessions: | 20 |
| Max. Subscriptions: | 20 |
| Max. Monitored Items: | 1000000 |
| Max. Monitored Items Per Subscription: | 50000 |
| Monitored Item Queue: | 100000 |
| Publish Request Queue: | 50000 |
| Fastest Sampling: | 1 |
| Fastest Publishing: | 1 |
Supported Profiles and Facets
Application Profiles:
UACore 1.04
- Standard UA Client 2017 Profile
Security Policies:
UACore 1.04
- SecurityPolicy - Aes256-Sha256-RsaPss
- SecurityPolicy - PubSub-Aes256-CTR
- SecurityPolicy [B] – Basic256Sha256
- SecurityPolicy – Basic256
User Tokens:
UACore 1.04
- User Token – User Name Password Client Facet
- User Token – X509 Certificate Client Facet
Capacities |
|
| Max. SecureChannels: | 20 |
| Max. Sessions: | 20 |
| Max. Subscriptions: | 20 |
| Max. Monitored Items: | 1000000 |
| Max. Monitored Items Per Subscription: | 50000 |
| Monitored Item Queue: | 100000 |
| Publish Request Queue: | 1000000 |
| Fastest Sampling: | 1 |
| Fastest Publishing: | 1 |
- Data Access 2.05a
- Data Access 3.0
- Alarms and Events
- Data Access 2.05a
- Data Access 3.0
- Alarms and Events


