MetaDefender Optical Diode v1.15.0

Release Date

September 30, 2026

Scope

This release delivers improvements across connectivity, file transfer and observability, along with multiple reliability updates.

AVEVA Pi Connector

Added ability to download PI statistics as CSV.

AVEVA Pi Connector

Now supports period character [ . ] for Tag Prepend/Append naming.

OPC DA Auto Tag Discovery

Blue OPC DA Connector automatically discovers new tags and transfers the tags to the Red Connector without manual intervention.

OPC UA Certificate Expiration

Added ability to configure OPC UA certificate expiration (up to 10 years).

OPC UA Node Filtering

Enables OPC UA root nodes to be filtered by a List or Regular Expression.

UDP Source Port for Back to Back Mode

Selectable UDP Source Port for Back to Back Mode.

SFTP Server Connector

Built-in SFTP Server on both BLUE and RED sides.

TCP Port Selection for Back to Back Mode

Added port 80/443 support for TCP streams in Back-to-Back diode mode.

Telemetry Connector

Sends anonymized, aggregated usage and performance data to OPSWAT to help improve product performance and reliability. Telemetry is enabled by default but can be disabled.

VIP for Outbound Connections

For High Availability configurations the source IP address for TCP/UDP connections is now the VIP. It maybe be necessary to update firewall entries to allow the VIP.

FTP Server Connector

Fixed FTP Server connection failure occurring after installation.

Licensing

Deployment IDs for license on new installs are now based on the Trusted Platform Module (TPM) and changing the hostname or IP/gateway no longer impacts the Deployment ID.

SMTP Connector

Fixed initial SMTP delivery errors during first-time setup.