diff --git a/httpserver/monitor.go b/httpserver/monitor.go
index d83cbac..ea5ecca 100644
--- a/httpserver/monitor.go
+++ b/httpserver/monitor.go
@@ -30,16 +30,13 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"net"
 	"runtime"
-	"time"
 
 	logent "github.com/nabbar/golib/logger/entry"
 	loglvl "github.com/nabbar/golib/logger/level"
 	libmon "github.com/nabbar/golib/monitor"
 	moninf "github.com/nabbar/golib/monitor/info"
 	montps "github.com/nabbar/golib/monitor/types"
-	libptc "github.com/nabbar/golib/network/protocol"
 	libver "github.com/nabbar/golib/version"
 )
 
@@ -79,7 +76,7 @@ func (o *srv) HealthCheck(ctx context.Context) error {
 	} else if e := r.ErrorsLast(); e != nil {
 		fl(e)
 		return e
-	} else if e = o.runAndHealthy(ctx); e != nil {
+	} else if e = PortNotUse(ctx, o.GetBindable()); e != nil {
 		fl(e)
 		return e
 	} else {
@@ -88,24 +85,6 @@ func (o *srv) HealthCheck(ctx context.Context) error {
 	}
 }
 
-func (o *srv) runAndHealthy(ctx context.Context) error {
-	x, n := context.WithTimeout(ctx, 50*time.Microsecond)
-	defer n()
-
-	if e := PortNotUse(ctx, o.GetBindable()); e != nil {
-		return e
-	} else {
-		d := &net.Dialer{}
-		co, ce := d.DialContext(x, libptc.NetworkTCP.Code(), o.GetBindable())
-		defer func() {
-			if co != nil {
-				_ = co.Close()
-			}
-		}()
-		return ce
-	}
-}
-
 // MonitorName returns the unique monitoring identifier for this server instance.
 // The identifier includes the server's bind address for uniqueness.
 func (o *srv) MonitorName() string {
diff --git a/httpserver/tools.go b/httpserver/tools.go
index 4be1a19..c92a61c 100644
--- a/httpserver/tools.go
+++ b/httpserver/tools.go
@@ -30,6 +30,7 @@ import (
 	"context"
 	"net"
 	"strings"
+	"time"
 
 	liberr "github.com/nabbar/golib/errors"
 	srvtps "github.com/nabbar/golib/httpserver/types"
@@ -62,11 +63,11 @@ func PortNotUse(ctx context.Context, listen string) error {
 		addr := strings.Join(part[:len(part)-1], ":")
 
 		if strings.HasPrefix(addr, "0") || strings.HasPrefix(addr, "::") {
-			listen = "127.0.0.1:" + port
+			listen = "0.0.0.0:" + port
 		}
 	}
 
-	if _, ok := ctx.Deadline(); !ok {
+	if t, ok := ctx.Deadline(); !ok || t.IsZero() || -time.Since(t) < time.Second {
 		var cnl context.CancelFunc
 		ctx, cnl = context.WithTimeout(ctx, srvtps.TimeoutWaitingPortFreeing)
 		defer cnl()
@@ -103,11 +104,11 @@ func PortInUse(ctx context.Context, listen string) liberr.Error {
 		addr := strings.Join(part[:len(part)-1], ":")
 
 		if strings.HasPrefix(addr, "0") || strings.HasPrefix(addr, "::") {
-			listen = "127.0.0.1:" + port
+			listen = "0.0.0.0:" + port
 		}
 	}
 
-	if _, ok := ctx.Deadline(); !ok {
+	if t, ok := ctx.Deadline(); !ok || t.IsZero() || -time.Since(t) < time.Second {
 		var cnl context.CancelFunc
 		ctx, cnl = context.WithTimeout(ctx, srvtps.TimeoutWaitingPortFreeing)
 		defer cnl()
diff --git a/httpserver/types/const.go b/httpserver/types/const.go
index 0d1c549..fbfea7c 100644
--- a/httpserver/types/const.go
+++ b/httpserver/types/const.go
@@ -31,7 +31,7 @@ import "time"
 const (
 	// TimeoutWaitingPortFreeing is the timeout duration for checking if a port becomes available.
 	// Used when verifying port availability before binding.
-	TimeoutWaitingPortFreeing = 250 * time.Microsecond
+	TimeoutWaitingPortFreeing = 3 * time.Second
 
 	// TimeoutWaitingStop is the default timeout for graceful server shutdown.
 	// Servers have 5 seconds to complete ongoing requests before forced termination.
diff --git a/httpserver/types/example_test.go b/httpserver/types/example_test.go
index 3ae5cee..9c9ae30 100644
--- a/httpserver/types/example_test.go
+++ b/httpserver/types/example_test.go
@@ -191,7 +191,7 @@ func Example_timeoutConstants() {
 	fmt.Printf("Port freeing timeout: %v\n", portTimeout)
 	fmt.Printf("Stop timeout: %v\n", stopTimeout)
 	// Output:
-	// Port freeing timeout: 250µs
+	// Port freeing timeout: 3s
 	// Stop timeout: 5s
 }
 
diff --git a/httpserver/types/fields_test.go b/httpserver/types/fields_test.go
index 80d947d..25b8024 100644
--- a/httpserver/types/fields_test.go
+++ b/httpserver/types/fields_test.go
@@ -108,7 +108,7 @@ var _ = Describe("[TC-FT] Field Types and Constants", func() {
 
 	Describe("Timeout Constants", func() {
 		It("[TC-FT-008] should define TimeoutWaitingPortFreeing", func() {
-			Expect(TimeoutWaitingPortFreeing).To(Equal(250 * time.Microsecond))
+			Expect(TimeoutWaitingPortFreeing).To(Equal(3 * time.Second))
 		})
 
 		It("[TC-FT-007] should define TimeoutWaitingStop", func() {