Running PS5 MQTT through a reverse-proxy

[GentleHoneyLover]

I'm trying to run PS5 MQTT through a reverse-proxy (Caddy) and cannot get it to work. I have the usual Caddy config that works for a ton of my other self-hosted services. But it doesn't work with PS5 MQTT — Caddy seems to be getting a 502.

Accessing the UI via an IP:port (10.0.20.10:80 in my case) works without issues.

Does anybody know what might be causing this problem and whether there's a way to configure the reverse-proxy to work around it?

My Caddy config:

*.local.mydomain.com {
  {
    dns cloudflare {env.CLOUDFLARE_API_TOKEN}
  }

  @ps5 host ps5.local.mydomain.com
    handle @ps5 {
      reverse_proxy 10.0.20.10:80
    }
}

My Caddy log:
{"level":"error","ts":1738327597.133832,"logger":"http.log.error","msg":"dial tcp 10.0.20.10:80: connect: no route to host","request":{"remote_ip":"10.0.10.110","remote_port":"62006","client_ip":"10.0.10.110","proto":"HTTP/2.0","method":"GET","host":"ps5.local.mydomain.com","uri":"/apple-touch-icon-precomposed.png","headers":{"Accept":["*/*"],"Accept-Language":["en-US,en;q=0.9"],"Accept-Encoding":["gzip, deflate, br"],"User-Agent":["Safari/20620.2.4.11.5 CFNetwork/3826.400.120 Darwin/24.3.0"]},"tls":{"resumed":false,"version":772,"cipher_suite":4865,"proto":"h2","server_name":"ps5.local.mydomain.com"}},"duration":2.913818129,"status":502,"err_id":"u77e049m9","err_trace":"reverseproxy.statusError (reverseproxy.go:1373)"}

[GentleHoneyLover]

Ok, this one was actually solved. It was a networking config problem on my end — had nothing to do with Caddy. The config above is working just fine ;)