Socks5 server UDP problem

spearofchaos

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I've been using Socks5 proxies for the past year, but I've encountered a problem that I haven't been able to solve for the last six months. Let me explain the issue.

When I create Socks5 proxies on data centers (e.g., by purchasing VPS/VDS and turning them into Socks5), both TCP and UDP work fine (same country).

After setting up my own mobile proxies at home with a phone farm on my local network, TCP/UDP works fine as well.

However, when I try to expose my local Socks5 server (for both mobile proxies and my own static IP) to the internet, my home PC can't receive any UDP packets. I’ve tried most of the available proxy server software out there, including 3proxy, CCProxy, Dante, Gost, and others.

The issue is not with my firewall or router we tested on different routers different OS different PC's different Networks. After that, I asked my friend to buy a static IP so he could try creating a Socks5 server on his home PC, but we encountered the same problem: UDP is not working, and we can't receive any UDP packets, although TCP works fine.

I’m aware of services like Localtonet, Proxydize, etc., which work, but even after trying reverse proxies, I still couldn’t make it work.

The reason I don’t use Localtonet or other tunneling services is that their ping is too high for my use case.
 
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