nftables

Raised as a usability problem by 4 people on Hacker News over 10 years (2017–2026), in 5 threads.

People raised many different problems with nftables, 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 5 complaints

Unclear which rule part does the map key lookup versus returns the value2026-03-31
Command interface is obscure word soup that only its creators like2023-05-10
IPv6 forwarding didn't work by default, forcing command-line debugging2022-07-23
Usability described as terrible; tc traffic shaping considered so unusable it's effectively unsupported2017-10-20
Migration docs are pages of manual shell commands, with no automated upgrade path2017-05-07