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can you elaborate on "check mtproto", the proxy? what sort of check
connect to mtproto proxy with host , port , secret and check is proxy alive or not
you need to check it yourself using just the server address, no need for a built-in method
i need to check it with mtproto-protocol not just ping ip
You don't need to, unless it's TLS protocol, then that's not even implemented as a proxy yet in telethon, you're on your own in both cases. it's out of scope of a basic library to manage things like proxy connectivity, you will get ConnectionError when something is invalid after default attempts.
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