Radmin VPN

1. I can’t access the official website for download (I can access it in the first few months), I can only go to the official website with a VPN, but I still ca n’t download
2. In China, many people (at least 50%) have permanent yellow or green lights but high latency
3. Now entering the official Minecraft network but the room is not displayed in Minecraft (may be my problem)
Hope Radmin VPN can do better and better! After all, this is the best and most convenient way to play Minecraft in China! I hope you can pay attention to the situation of software in China! If done well, the MC industry in China will surely be on fire! Beyond Youxia (another international MC connection method now popular in China)
The above conversation does not mean angry or bad reviews. This is a timely feedback on the situation I encountered when using Radmin VPN in China.

Radmin VPN是开放源代码，还是有商业版本？

I have a PC in my home, I want to connect it outside.
the PC in my home is yellow all the time,  i try to restart it many times,
but, it doesn't work. i set it DMZ in my router, the light can be green.
DMZ is dangerous, do you have another idea?
such as port mapping.
thanks.