Caddy v2 and tls passthrough

[nvjacobo]

Hi,

Caddy v2 has tls passthrough proxy support ?

For example:
origin (https with nginx) + proxy (https with caddy proxy_reverse)

[francislavoie]

If you need to proxy raw TCP packets without terminating TLS, you’ll need to use GitHub - mholt/caddy-l4: Layer 4 (TCP/UDP) app for Caddy

[melink14 (Erek)]

There are some general examples in the docs francislavoie linked and I did a general write up of combining passthrough plus HTTPS termination here:

Combining the layer4 and http apps (SSL pass through + http file_server/reverse_proxy)

Thanks to an old issue covering this topic in GitHub I think I fairly well understand what’s going on and the best way forward for my setup (ssl passthrough proxy + normal caddy http servers/reverse_proxies)! A lot of interesting details are in the issue here First, why was I getting errors with my posted config My inintial config was trying to solve the problem by terminating TLS in layer4 and proxying to normal http setup in the http app. This wasn’t a complete solution but also strangely d…

[nvjacobo]

thanks @melink14 @francislavoie!