testsAndMisc/linux_configuration
Krzysztof kuhy Rudnicki 334c0cd904
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fix: stop the wireguard firewall from silently cutting every container off
`write_nftables_ruleset` emitted a forward chain with `policy drop` and no
rules at all. That chain runs at the same netfilter hook as Docker's own
DOCKER-USER/DOCKER-FORWARD chains, so it vetoed them: every bridged
container lost outbound networking while the host itself stayed online, so
nothing looked broken.

It cost the Signal bot three silent hours today. signal-cli lost its
connection to Signal at 15:32:50 and looped on reconnect for 2.5h, while
the bot kept answering /healthz with 200 -- `/v1/groups` still served from
local state, so every surface said healthy.

`flush ruleset` also deletes Docker's own tables, and dockerd only rebuilds
them on its next network event, so restore_docker_rules() now restarts
docker right after a successful apply.

Verified in vmbox (Arch guest, docker installed, alpine probe):
BASELINE=reachable -> OLD=blocked -> NEW=reachable, sshd active throughout.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01KbjfWdAyHbCubac7wJKJZW
2026-08-29 18:34:25 +02:00
..
.githooks Extract digital-wellbeing; the directory-depth cap now enforces 2026-08-23 20:57:51 +02:00
.github Adopt the four markdown namespaces and gate them 2026-08-24 15:55:46 +02:00
boot_recovery Cap extensionless scripts, and split the one that was hiding 2026-08-23 19:13:40 +02:00
C/atop_agg atop_agg: split atop_agg.c 478 -> 204 + state + emit 2026-08-17 10:49:46 +02:00
diagnostics Dissolve linux_configuration/scripts/ and single_use/ 2026-08-23 18:53:30 +02:00
docs Adopt the four markdown namespaces and gate them 2026-08-24 15:55:46 +02:00
dwm Dissolve linux_configuration/scripts/ and single_use/ 2026-08-23 18:53:30 +02:00
features fix: stop the wireguard firewall from silently cutting every container off 2026-08-29 18:34:25 +02:00
feedback-appimage Dissolve linux_configuration/scripts/ and single_use/ 2026-08-23 18:53:30 +02:00
fixes Let --rollback work on a freshly installed machine 2026-08-24 12:57:24 +02:00
fresh-install Extract digital-wellbeing; the directory-depth cap now enforces 2026-08-23 20:57:51 +02:00
gaming Dissolve linux_configuration/scripts/ and single_use/ 2026-08-23 18:53:30 +02:00
i3 Flatten i3-configuration and misc/testsAndMisc-bash 2026-08-23 19:02:18 +02:00
i3blocks Flatten i3-configuration and misc/testsAndMisc-bash 2026-08-23 19:02:18 +02:00
installers Extract digital-wellbeing; the directory-depth cap now enforces 2026-08-23 20:57:51 +02:00
lib Make install_core_system.sh work on a fresh machine 2026-08-24 12:45:21 +02:00
meta Dissolve linux_configuration/scripts/ and single_use/ 2026-08-23 18:53:30 +02:00
misc Grade against 3.14 too, not just run on it 2026-08-29 11:50:39 +02:00
periodic_background Extract digital-wellbeing; the directory-depth cap now enforces 2026-08-23 20:57:51 +02:00
tests Make install_core_system.sh work on a fresh machine 2026-08-24 12:45:21 +02:00
utils Dissolve linux_configuration/scripts/ and single_use/ 2026-08-23 18:53:30 +02:00
zsh Split calc-live.zsh: extract the qalc coprocess 2026-08-16 22:12:32 +02:00
.gitignore Dissolve linux_configuration/scripts/ and single_use/ 2026-08-23 18:53:30 +02:00
install_core_system.sh Make install_core_system.sh work on a fresh machine 2026-08-24 12:45:21 +02:00
test_results.log Add 'linux_configuration/' from commit '0762e3d07b90bac9256eb272de10bf9f42878094' 2026-02-06 21:43:26 +01:00