add doc for port range mapping

Release.md

@@ -16,8 +16,6 @@
 
   This will create 8 proxies such as `tcp-6000, tcp-6001, ... tcp-6007`.
 
-* Health check supports custom request headers.
-
 ### Fixes
 
 * Fix the issue of incorrect interval time for rotating the log by day.

client/health/health.go

@@ -41,7 +41,7 @@ type Monitor struct {
 
 	// For http
 	url string
-	header         http.Header
+
 	failedTimes    uint64
 	statusOK       bool
 	statusNormalFn func()
@@ -73,11 +73,6 @@ func NewMonitor(ctx context.Context, cfg v1.HealthCheckConfig, addr string,
 		}
 		url = s + cfg.Path
 	}
-	header := make(http.Header)
-	for _, h := range cfg.HTTPHeaders {
-		header.Set(h.Name, h.Value)
-	}
-
 	return &Monitor{
 		checkType:      cfg.Type,
 		interval:       time.Duration(cfg.IntervalSeconds) * time.Second,
@@ -85,7 +80,6 @@ func NewMonitor(ctx context.Context, cfg v1.HealthCheckConfig, addr string,
 		maxFailedTimes: cfg.MaxFailed,
 		addr:           addr,
 		url:            url,
-		header:         header,
 		statusOK:       false,
 		statusNormalFn: statusNormalFn,
 		statusFailedFn: statusFailedFn,
@@ -169,8 +163,6 @@ func (monitor *Monitor) doHTTPCheck(ctx context.Context) error {
 	if err != nil {
 		return err
 	}
-	req.Header = monitor.header
-	req.Host = monitor.header.Get("Host")
 	resp, err := http.DefaultClient.Do(req)
 	if err != nil {
 		return err

conf/frpc_full_example.toml

@@ -216,10 +216,6 @@ healthCheck.path = "/status"
 healthCheck.intervalSeconds = 10
 healthCheck.maxFailed = 3
 healthCheck.timeoutSeconds = 3
-# set health check headers
-healthCheck.httpHeaders=[
-    { name = "x-from-where", value = "frp" }
-]
 
 [[proxies]]
 name = "web02"

pkg/config/v1/common.go

@@ -129,8 +129,3 @@ type HTTPPluginOptions struct {
 type HeaderOperations struct {
 	Set map[string]string `json:"set,omitempty"`
 }
-
-type HTTPHeader struct {
-	Name  string `json:"name"`
-	Value string `json:"value"`
-}

pkg/config/v1/proxy.go

@@ -97,9 +97,6 @@ type HealthCheckConfig struct {
 	// Path specifies the path to send health checks to if the
 	// health check type is "http".
 	Path string `json:"path,omitempty"`
-	// HTTPHeaders specifies the headers to send with the health request, if
-	// the health check type is "http".
-	HTTPHeaders []HTTPHeader `json:"httpHeaders,omitempty"`
 }
 
 type DomainConfig struct {