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fix: Default sensor-proxy HTTP to 0.0.0.0:8443 for IPv4 binding

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On systems with net.ipv6.bindv6only=1 (including some Proxmox 8
configurations), using ":8443" results in IPv6-only binding. Users
reported curl to 127.0.0.1:8443 hanging while [::1]:8443 worked.

Changed default from ":8443" to "0.0.0.0:8443" to explicitly bind IPv4.

Related to #805
This commit is contained in:
rcourtman 2025-12-03 20:25:08 +00:00
parent bfdc2cfcfe
commit 95ca0c0e67
3 changed files with 6 additions and 3 deletions
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2
cmd/pulse-sensor-proxy/config.example.yaml
View file

@ -42,7 +42,7 @@ rate_limit:
# HTTPS mode (for remote nodes)
http_enabled: false
http_listen_addr: ":8443"
http_listen_addr: "0.0.0.0:8443" # Explicitly IPv4; use [::]:8443 for IPv6
http_tls_cert: "/etc/pulse-sensor-proxy/tls/server.crt"
http_tls_key: "/etc/pulse-sensor-proxy/tls/server.key"
http_auth_token: "" # Populated by installer; keep secret

5
cmd/pulse-sensor-proxy/config.go
View file

@ -354,7 +354,10 @@ func loadConfig(configPath string) (*Config, error) {
// Validate HTTP configuration if enabled
if cfg.HTTPEnabled {
if cfg.HTTPListenAddr == "" {
cfg.HTTPListenAddr = ":8443" // Default port
// Use 0.0.0.0:8443 explicitly for IPv4 binding.
// Using just ":8443" can result in IPv6-only binding on systems
// with net.ipv6.bindv6only=1 (e.g., some Proxmox 8 configurations).
cfg.HTTPListenAddr = "0.0.0.0:8443"
log.Info().Str("http_addr", cfg.HTTPListenAddr).Msg("Using default HTTP listen address")
}
if cfg.HTTPAuthToken == "" {

2
scripts/install-sensor-proxy.sh
View file

@ -1155,7 +1155,7 @@ QUIET=false
PULSE_SERVER=""
STANDALONE=false
HTTP_MODE=false
HTTP_ADDR=":8443"
HTTP_ADDR="0.0.0.0:8443" # Explicitly IPv4 to avoid IPv6-only binding on some systems
FALLBACK_BASE="${PULSE_SENSOR_PROXY_FALLBACK_URL:-}"
SKIP_RESTART=false
RESTART_PULSE=false