Which Protocols Does CDN Support?

Domain names whose service area is outside the Chinese mainland or global:

• CDN supports HTTP and HTTPS. It does not support FTP, TCP, or UDP.
• CDN supports WebSocket and gPRC for whole site acceleration domain names (without special configurations).

Domain names whose service area is the Chinese mainland:

• For non-whole site acceleration domain names, CDN supports HTTP and HTTPS. It does not support FTP, TCP, UDP, or WebSocket.
• For whole site acceleration domain names, CDN supports HTTP, HTTPS, WebSocket, and gPRC. It does not support FTP, TCP, or UDP.
• CDN supports acceleration using layer 4 protocols, such as proprietary TCP and UDP. This function is in alpha test. For details about the open beta test (OBT) time and enabling method, stay tuned for the service announcement.

• Acceleration for requests using the WebSocket protocol is in OBT and is available for free trial.
• Acceleration for requests using the gPRC protocol is in restricted beta. To use this function, submit a service ticket.