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Add IPv6 support to listenip #58

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Merged
merged 1 commit into from
Aug 22, 2025
Merged

Add IPv6 support to listenip #58

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17 changes: 12 additions & 5 deletions internal/config/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -180,13 +180,20 @@ func InitConfig() (*Config, error) {
}

// check listenIP and proxyPort
if net.ParseIP(listenIP) == nil {
return nil, fmt.Errorf("invalid IP \"%s\" for listenip", listenIP)
}
if proxyPort < 1 || proxyPort > 65535 {
return nil, errors.New("port number has to be between 1 and 65535")
return nil, errors.New("port number has to be between 1 and 65535")
}
ip := net.ParseIP(listenIP)
if ip == nil {
return nil, fmt.Errorf("invalid IP \"%s\" for listenip", listenIP)
}

// Properly format address for both IPv4 and IPv6
if ip.To4() == nil {
cfg.ListenAddress = fmt.Sprintf("[%s]:%d", listenIP, proxyPort)
} else {
cfg.ListenAddress = fmt.Sprintf("%s:%d", listenIP, proxyPort)
}
cfg.ListenAddress = fmt.Sprintf("%s:%d", listenIP, proxyPort)

// parse defaultLogLevel and setup logging handler depending on defaultLogJSON
switch strings.ToUpper(logLevel) {
Expand Down