[GH-ISSUE #3645] tunnel grpc using h2c

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Reference: github-starred/frp#2905

gitea-mirror commented

2026-05-05 13:52:39 -06:00

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Originally created by @jvassev on GitHub (Oct 6, 2023).
Original GitHub issue: https://github.com/fatedier/frp/issues/3645

Describe the feature request

It would be great if FRP can tunnel GRPC service with the http plugin.

With a grpc without tls you would get an error as GRPC required http2. Looks like you need to instruct the proxy to do h2c (for example traefik suggests this https://doc.traefik.io/traefik/user-guides/grpc/).

I can use tcp plugun but I would like to use http's vhost/domain option for simplicity.

Describe alternatives you've considered

No response

Affected area

Docs
Installation
Performance and Scalability
Security
User Experience
Test and Release
Developer Infrastructure
Client Plugin
Server Plugin
Extensions
Others

Originally created by @jvassev on GitHub (Oct 6, 2023). Original GitHub issue: https://github.com/fatedier/frp/issues/3645 ### Describe the feature request It would be great if FRP can tunnel GRPC service with the http plugin. With a grpc without tls you would get an error as GRPC required http2. Looks like you need to instruct the proxy to do h2c (for example traefik suggests this https://doc.traefik.io/traefik/user-guides/grpc/). I can use tcp plugun but I would like to use http's vhost/domain option for simplicity. ### Describe alternatives you've considered _No response_ ### Affected area - [ ] Docs - [ ] Installation - [ ] Performance and Scalability - [ ] Security - [ ] User Experience - [ ] Test and Release - [ ] Developer Infrastructure - [X] Client Plugin - [X] Server Plugin - [ ] Extensions - [ ] Others

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label 2026-05-05 13:52:39 -06:00

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[GH-ISSUE #3645] tunnel grpc using h2c #2905

Describe the feature request

Describe alternatives you've considered

Affected area