this post was submitted on 06 Oct 2024
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I have a feeling you are using pptp as shorthand for Point to Point disregarding protocol and already knows what I'm about to say. To anyone else reading this - PPTP is obsolete and unsafe. Use an alternative such as OpenVPN, WireGuard or SSTP.
Tailscale FTW. I honestly haven't looked at the underlying protocols in years. Was using ubiquiti's implementation of openVPN but it seemed to get grumpy when you connect one user multiple times.
Poking around at available products, I had settled on zero tier and tailscale, I went ahead and tried tail scalefirst because it was basically free for my house. One month in, I had a few decent detectable guys at work join me on a trial there. Full licenses for everybody at work cost less than my Cisco refresh. And makes it so that the office is no longer a critical hosting site.
OpenVPN allows multiple connections if you enable duplicate-cn:
--duplicate-cn
Allow multiple clients with the same common name to concurrently connect.
In the absence of this option, OpenVPN will disconnect a client instance upon connection of a new client having the same common name.
https://openvpn.net/community-resources/reference-manual-for-openvpn-2-4/
There's also headscale if you wanna selfhost the tailscale control server:
https://github.com/juanfont/headscale
It was allowing me to make multiple connections but they were unpredictable, I assumed it was a unifi problem back in the day thanks for the information!