add version check header

config/version.go

@@ -28,7 +28,12 @@ func CheckVersion() (structs.Channel, bool) {
 	url := globalConfig.UpdateUrl
 	var fetchedVersion structs.Version
 	for i := 0; i < retries; i++ {
-		resp, err := http.Get(url)
+		req, err := http.NewRequest("GET", url, nil)
+		if err != nil {
+		}
+		userAgent := "NativePlanet.GroundSeg-" + conf.GsVersion
+		req.Header.Set("User-Agent", userAgent)
+		resp, err := http.DefaultClient.Do(req)
 		if err != nil {
 			errmsg := fmt.Sprintf("Unable to connect to update server: %v", err)
 			Logger.Warn(errmsg)