The proxy answers public and internal names on the same listeners, so
serving an internal-only route made it reachable from the internet by
anyone sending its name. Requests and handshakes for an internal name
from outside the mesh range, loopback or a container bridge are now
answered as an unrouted name, and the 404 no longer lists them
(novox/hq issue 191, ADR 0138 insight of 2026-10-02).
