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Purging
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Security
Protect your services and applications.
Next-Gen WAF
Edge Rate Limiting
Access Control Lists
TLS
Compute
Experiment with Fastly's edge computing platform.
Compute services
Testing and debugging
Edge Data Storage
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CDN getting started guide
Compute getting started guide
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Services
Core concepts
Web interface guides
Integrations
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Streaming logs
Logging endpoints
Non-Fastly services
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Tutorials
Step-by-step guides to developing with Fastly
Deliver a site with Fastly
Enhance your UX with Compute
Edge deploy Next-Gen WAF
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Demos
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Passwordless auth
Fanout chat
Weather app
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Use Cases
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Authentication
Geolocation
Personalization
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Code Examples
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Geolocation at the edge
Optimize images on the fly
Redirect URLs at the edge
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Starter Kits
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Rust default starter
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tls.client.protocol

STRING, read-only.

Available inrecv hash deliver log

The TLS protocol version this connection is speaking over. Example: "TLSv1.2"

The tls.client.protocol variable will be not set if the connection wasn't established over TLS.

Network services

Security

Compute

Quick start

Building blocks

Integrations

Tutorials

Demos

Use Cases

Code Examples

Starter Kits

tls.client.protocol