Protocol Versions
Published versions of the RFB protocol are as follows:
| Version | Published | Date | Specification |
|---|---|---|---|
| RFB 3.3 | ORL | January 1998 | The Remote Framebuffer Protocol 3.3 |
| RFB 3.7 | RealVNC Ltd | August 2003 | The Remote Framebuffer Protocol 3.7 |
| RFB 3.8 (current) | RealVNC Ltd | June 2007 | The Remote Framebuffer Protocol 3.8 |
Developers are free to add additional encoding and security types but they must book unique identification numbers for these with the maintainers of the protocol so that the numbers do not clash. Clashing type numbers would cause confusion when handshaking a connection and break cross-compatibility between implementations. The list of encoding and security types is maintained by RealVNC Ltd and is separate from the protocol specification so that new types can be added without requiring the specification to be reissued.
A community version of the RFB protocol specification which aims to document all existing extensions is hosted by the TigerVNC project.
Read more about this topic: RFB Protocol
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“The assumption must be that those who can see value only in tradition, or versions of it, deny man’s ability to adapt to changing circumstances.”
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