Hello all,
In reading through the install instructions for Caddy on OPNsense I noticed the following:
There is no TCP/UDP stream and WAF (Web Application Firewall) support in this plugin. For a business grade Reverse Proxy with WAF functionality, use os-OPNWAF. For TCP/UDP streaming, use either os-nginx or os-haproxy.
Does this mean that HTTP3 support is not yet in Caddy, since there is no TCP/UDP support? Has this changed since these instructions were published?
Thanks,
Steve
@Monviech can answer for the OPNsense integration, but as for Caddy, it definitely supports HTTP/3 both downstream and upstream (in the latest version).
Raw TCP/UDP proxying is a WIP in this plugin: GitHub - mholt/caddy-l4: Layer 4 (TCP/UDP) app for Caddy
Thanks Matt…makes sense. I was getting confused with the terminology. I just wanted to make sure I was not going to have issues with using HTTP3 in OPNsense and it looks to be working.
@matt As soon as L4 can be used with the Caddyfile I’m going to be all over it. 
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