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punktfunk/packaging/linux/punktfunk.ufw
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fix(packaging): correct CachyOS firewall to ufw + ship ufw openers + web-console opener
CachyOS ships ufw enabled by default (firewalld is not installed) — verified live
on the .21 box — but the docs and shipped firewall openers claimed "CachyOS enables
firewalld by default". Correct that everywhere and ship a ufw application profile
(the one-liner analogue of the firewalld service files):

- packaging/linux/punktfunk.ufw (new): [punktfunk-native], [punktfunk-gamestream],
  [punktfunk-web] profiles, installed to /etc/ufw/applications.d/punktfunk by the
  Arch (CachyOS) and .deb host packages. `sudo ufw allow punktfunk-native`.
- packaging/linux/punktfunk-web.xml (new): firewalld service for the optional web
  console (TCP 47992), installed by the host package on arch/deb/rpm. Neither the
  native nor gamestream opener covered 47992, so a firewalld/ufw host that enabled
  punktfunk-web could not reach the console over the LAN.
- Fix the "CachyOS enables firewalld" claim in arch.md, arch/README.md,
  debian/README.md, both firewalld service .xml comments, and the pacman scriptlet;
  firewalld now attributed to the spins that use it (EndeavourOS, Fedora/RHEL).
- Docs present both one-liners (ufw + firewalld) whichever firewall you run, plus a
  console-opener step; postinst/scriptlet hints detect ufw as well as firewalld.

The native data plane stays hole-punched (ephemeral UDP, no fixed port) — its
openers correctly open only 9777/udp + mDNS; the stale "open a UDP range" note is
replaced with the accurate outbound-UDP explanation.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-05 16:52:35 +00:00

39 lines
2.0 KiB
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# ufw application profile for the punktfunk host — installed to
# /etc/ufw/applications.d/punktfunk by the .deb and the Arch/CachyOS package.
#
# This is the ufw analogue of the firewalld service definitions
# (punktfunk-native.xml / punktfunk-gamestream.xml): it turns opening the host's
# ports into a one-liner on the distros that use ufw instead of firewalld
# (CachyOS ships ufw enabled; Debian/Ubuntu ship it installed-but-inactive). ufw
# reads this directory on every command, so no reload is needed after the
# package drops the file — just:
#
# sudo ufw allow punktfunk-native # the secure native punktfunk/1 host (the default)
# sudo ufw allow punktfunk-gamestream # add GameStream/Moonlight compat (opt-in)
# sudo ufw allow punktfunk-web # reach the web console from the LAN (if punktfunk-web is installed)
# sudo ufw app info punktfunk-native # show what a profile opens
#
# Same port map as the firewalld services. The punktfunk/1 DATA plane is an
# ephemeral UDP port chosen per session and is NOT listed here: the host
# hole-punches, so a deny-inbound firewall still works (it just adds ~2.5 s at
# session start). To open a fixed one instead, run the host with
# `serve --data-port 9778` and `sudo ufw allow 9778/udp`.
[punktfunk-native]
title=punktfunk host (native punktfunk/1)
description=punktfunk/1 native streaming: QUIC control plane + mDNS auto-discovery
ports=9777/udp|5353/udp
[punktfunk-gamestream]
title=punktfunk host (GameStream/Moonlight)
description=GameStream/Moonlight compatibility ports (opt-in, trusted LAN only)
ports=47984,47989,48010/tcp|47998:48010/udp|5353/udp
# The optional web console (the separate punktfunk-web package). Open only if you installed it and
# want to reach it from another device — it binds all interfaces on TCP 47992 (HTTPS, login-gated).
# The mgmt API (47990) is loopback-only and is deliberately not covered here.
[punktfunk-web]
title=punktfunk web console
description=The optional punktfunk management web console (HTTPS, login-gated) reachable from the LAN
ports=47992/tcp