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fix(left4me): force +sv_lan 0 alongside +ip 0.0.0.0

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With +ip 0.0.0.0 (added in previous commit to make TCP RCON reachable
via loopback), Source engine can't auto-determine whether the server
is public-facing and defaults to LAN mode (sv_lan=1). Clients
connecting from public IPs get rejected with "LAN servers are
restricted to local clients (class C)".

Force sv_lan=0 explicitly so public clients can connect.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
CroneKorkN 2026-05-15 16:35:47 +02:00
parent f5bce30a4a
commit 6bba2b04f7
Signed by: cronekorkn
SSH key fingerprint: SHA256:v0410ZKfuO1QHdgKBsdQNF64xmTxOF8osF1LIqwTcVw
1 changed files with 5 additions and 1 deletions
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6
bundles/left4me/metadata.py
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@ -361,7 +361,11 @@ def systemd_units(metadata):
# without this, Source auto-selects the primary IP and the web
# app's 127.0.0.1 RCON connect gets ECONNREFUSED. External TCP
# on the game port range is firewall-blocked in nftables_input.
'ExecStart': '/var/lib/left4me/runtime/%i/merged/srcds_run -game left4dead2 +ip 0.0.0.0 +hostport ${L4D2_PORT} $L4D2_ARGS',
# +sv_lan 0 is required alongside +ip 0.0.0.0 — when the bind
# IP is wildcard, Source can't auto-detect "public server" and
# falls into LAN mode, rejecting non-RFC1918 clients with
# "LAN servers are restricted to local clients (class C)".
'ExecStart': '/var/lib/left4me/runtime/%i/merged/srcds_run -game left4dead2 +ip 0.0.0.0 +sv_lan 0 +hostport ${L4D2_PORT} $L4D2_ARGS',
'ExecStopPost': '+/usr/bin/nsenter --mount=/proc/1/ns/mnt -- /usr/local/libexec/left4me/left4me-overlay umount %i',
'Restart': 'on-failure',
'RestartSec': '5',