DNSCurve is unmaintained and never took off, it's now superseded by DoT, DoH.
A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/ports/commit/?id=a3f13a09cecc833f3a47f589cf6e34d51ce6caee commit a3f13a09cecc833f3a47f589cf6e34d51ce6caee Author: Daniel Engberg <diizzy@FreeBSD.org> AuthorDate: 2024-05-17 18:45:47 +0000 Commit: Daniel Engberg <diizzy@FreeBSD.org> CommitDate: 2024-05-17 19:06:03 +0000 dns/curvedns: Deprecate and set expiration date to 2024-05-31 Protocol never gained traction and is superseded by DoT and DoH PR: 278644 Approved by: portmgr (maintainer timeout, 2+ weeks) dns/curvedns/Makefile | 3 +++ 1 file changed, 3 insertions(+)