Ubuntu 22.04 Reverse_poxy error:0A00010B:SSL routines::wrong version number

1. The problem I'm having:

Hi people I need your help with caddy server reverse proxy

For example

Caddy installed on server Ubuntu 22.04 IP- 10.0.0.5

connect 100.100.50.50 via vpn tunnel

and in this server hosts file inputted

100.100.50.50 someservice.com
100.100.50.50 someservice2.com

In my windows machine hosts file inputted this IP Ubuntu server

10.0.0.5 someservice.com
10.0.0.5 someservice2.com

I try post via insomnia and get this error

2. Error messages and/or full log output:

 * Preparing request to https://someservice.com:9444/oauth2/token
* Current time is 2023-07-06T11:25:18.425Z
* Enable automatic URL encoding
* Using default HTTP version
* Enable SSL validation
* Too old connection (1128 seconds), disconnect it
* Connection 28 seems to be dead!
* Closing connection 28
* Hostname in DNS cache was stale, zapped
* Trying 10.0.0.5:9444...
* Connected to someservice.com (10.0.0.5) port 9444 (#30)
* ALPN, offering h2
* ALPN, offering http/1.1
* TLSv1.0 (OUT), TLS header, Certificate Status (22):
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
* (5454) (IN), , Unknown (72):
*error:0A00010B:SSL routines::wrong version number
* Closing connection 30 

3. Caddy version:

2.6.4 version

d. My complete Caddy config:

:8243 {
          reverse_proxy 100.100.50.50:8243
         }

:9444 {
        reverse_proxy 100.100.50.50:9444
}