Package: miniupnpd-nftables
Version: 2.3.7-1
Followup-For: Bug #1066874

Hello,

I now present for consideration my modified versions of nft_init.sh,
nft_removeall.sh, and miniupnpd_functions.sh.  It hopes to resolve #1066874
(and #1090753) by allowing users to nominate a different table to use in
miniupnpd.conf, and never dropping traffic from within its chains.

The other problem it fixes is that the tables/chains miniupnpd uses is
defined in miniupnpd.conf, whereas currently nft_init.sh always uses the
tables/chains named in miniupnpd_functions.sh. Thus changing the actual
tables/chains used would have required changes in two places.

Until nftnlrdr_misc.c gets better defaults, I recommend the following in
miniupnpd.conf:

    upnp_table_name=miniupnpd
    upnp_nat_table_name=miniupnpd
    upnp_forward_chain=forward
    upnp_nat_chain=prerouting
    upnp_nat_postrouting_chain=postrouting

Changing the table names is important, IMO, to avoid clobbering rules
defined elsewhere.

-- System Information:
Debian Release: trixie/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'testing-debug'), (500, 
'stable-updates'), (500, 'stable-security'), (500, 'oldstable-updates'), (500, 
'oldstable-security'), (500, 'testing'), (500, 'oldstable'), (490, 
'stable-debug'), (490, 'stable'), (400, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.12.12-amd64 (SMP w/4 CPU threads; PREEMPT)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8), 
LANGUAGE=en_AU:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages miniupnpd-nftables depends on:
ii  libc6       2.40-6
ii  libmnl0     1.0.5-3
ii  libnftnl11  1.2.8-1
ii  miniupnpd   2.3.7-1

miniupnpd-nftables recommends no packages.

miniupnpd-nftables suggests no packages.

-- no debconf information

Attachment: nft_init.sh
Description: Bourne shell script

Attachment: nft_removeall.sh
Description: Bourne shell script

Attachment: miniupnpd_functions.sh
Description: Bourne shell script

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