As suggestion of #5 on GitHub, the default value of the timeout changed. But to the same timeout as on HttpClient and not infinite.
Modbus Protocol for .NET | Proxy
With this package the server and client implementations will be combined as proxy.
You can use any ModbusBaseClient implementation as target client and plug it into the implemented ModbusTcpProxy or ModbusRtuProxy, which implement the server side.
Published under MIT License (see tl;drLegal)