Tinc

Raised as a usability problem by 4 people on Hacker News over 12 years (2014–2025), in 4 threads.

People raised many different problems with Tinc, but no single problem has yet been raised by 3 people in 3 different months and threads.

Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.

The newest 4 complaints

End-to-end encryption requires an obscure, unreleased experimental config flag2025-10-29
Userland implementation makes it so slow it is practically unusable on fast connections2018-08-27
Hard to set up; often gets no connection or no data over it2018-03-12
Every node needs every other node's config file, tedious to update when adding servers2014-04-14