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Configurable proxy bind #6188

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Merged
tzununbekov merged 1 commit into from
May 6, 2026
Merged

Configurable proxy bind #6188

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10 changes: 9 additions & 1 deletion config/flags_node.go
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Original file line number Diff line number Diff line change
Expand Up @@ -83,6 +83,12 @@ var (
Usage: "IP address to bind provided services to",
Value: "0.0.0.0",
}
// FlagProxyBindAddress IP address to bind proxy listener to in proxy mode.
FlagProxyBindAddress = cli.StringFlag{
Name: "proxy.bind.address",
Usage: "IP address to bind proxy listener to in proxy mode",
Value: "0.0.0.0",
}
// FlagFeedbackURL URL of Feedback API.
FlagFeedbackURL = cli.StringFlag{
Name: "feedback.url",
Expand Down Expand Up @@ -322,6 +328,7 @@ func RegisterFlagsNode(flags *[]cli.Flag) error {

*flags = append(*flags,
&FlagBindAddress,
&FlagProxyBindAddress,
&FlagDiscoveryType,
&FlagDiscoveryPingInterval,
&FlagDiscoveryFetchInterval,
Expand Down Expand Up @@ -385,6 +392,7 @@ func ParseFlagsNode(ctx *cli.Context) {
ParseFlagsBlockchainNetwork(ctx)

Current.ParseStringFlag(ctx, FlagBindAddress)
Current.ParseStringFlag(ctx, FlagProxyBindAddress)
Current.ParseStringSliceFlag(ctx, FlagDiscoveryType)
Current.ParseDurationFlag(ctx, FlagDiscoveryPingInterval)
Current.ParseDurationFlag(ctx, FlagDiscoveryFetchInterval)
Expand Down Expand Up @@ -423,7 +431,7 @@ func ParseFlagsNode(ctx *cli.Context) {
Current.ParseDurationFlag(ctx, FlagDNSResolutionHeadstart)
Current.ParseIntFlag(ctx, FlagWireguardMTU)

ValidateAddressFlags(FlagTequilapiAddress)
ValidateAddressFlags(FlagTequilapiAddress, FlagProxyBindAddress)
}

// ValidateAddressFlags validates given address flags for public exposure
Expand Down
12 changes: 9 additions & 3 deletions services/wireguard/endpoint/proxyclient/client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@ import (
"golang.zx2c4.com/wireguard/conn"
"golang.zx2c4.com/wireguard/device"

"github.com/mysteriumnetwork/node/config"
"github.com/mysteriumnetwork/node/services/wireguard/endpoint/netstack"
"github.com/mysteriumnetwork/node/services/wireguard/endpoint/userspace"
"github.com/mysteriumnetwork/node/services/wireguard/wgcfg"
Expand Down Expand Up @@ -104,7 +105,7 @@ func (c *client) PeerStats(iface string) (wgcfg.Stats, error) {
}

stats, statErr := userspace.ParseDevicePeerStats(deviceState)
if err != nil {
if statErr != nil {
err = statErr
log.Warn().Err(err).Msg("Failed to parse device stats, will try again")
} else {
Expand Down Expand Up @@ -135,16 +136,21 @@ func (c *client) Proxy(tnet *netstack.Net, proxyPort int) error {
c.mu.Lock()
defer c.mu.Unlock()

bind := fmt.Sprintf(":%d", proxyPort)
if addr := config.GetString(config.FlagProxyBindAddress); addr != "" {
bind = addr + bind
}

server := http.Server{
Addr: fmt.Sprintf(":%d", proxyPort),
Addr: bind,
Handler: newProxyHandler(60*time.Second, tnet),
ReadTimeout: 0,
ReadHeaderTimeout: 0,
WriteTimeout: 0,
IdleTimeout: 0,
}

log.Info().Msgf("Starting proxy server at :%d ...", proxyPort)
log.Info().Msgf("Starting proxy server at %s ...", bind)
c.proxyClose = func() error {
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
defer cancel()
Expand Down
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