STRING, read-only.

Available inall subroutines.

Indicates whether the request uses SSL or not. Possible values are http and https.

Try it out

req.protocol is used in the following code examples. Examples apply VCL to real-world use cases and can be deployed as they are, or adapted for your own service. See the full list of code examples for more inspiration.

Click RUN on a sample below to provision a Fastly service, execute the code on Fastly, and see how the function behaves.

Redirect insecure HTTP to TLS (SSL, HTTPS) in VCL

Redirect any requests that come into a VCL service on insecure HTTP, to the equivalent TLS endpoint (the Compute platform does this automatically).