diff --git a/src/server/v2.0/handler/webhook.go b/src/server/v2.0/handler/webhook.go
index 941343b0d843..b429e77d1de0 100644
--- a/src/server/v2.0/handler/webhook.go
+++ b/src/server/v2.0/handler/webhook.go
@@ -17,7 +17,9 @@ package handler
 import (
 	"context"
 	"fmt"
+	"net/http"
 	"strings"
+	"time"
 
 	"github.com/go-openapi/runtime/middleware"
 	"github.com/go-openapi/strfmt"
@@ -414,6 +416,10 @@ func (n *webhookAPI) validateTargets(policy *policy_model.Policy) (bool, error)
 		// Prevent SSRF security issue #3755
 		target.Address = url.Scheme + "://" + url.Host + url.Path
 
+		if err := validateAddress(target.Address); err != nil {
+			return false, errors.New(err).WithCode(errors.BadRequestCode)
+		}
+
 		if !isNotifyTypeSupported(target.Type) {
 			return false, errors.New(nil).WithMessage("unsupported target type %s with policy %s", target.Type, policy.Name).WithCode(errors.BadRequestCode)
 		}
@@ -475,6 +481,19 @@ func (n *webhookAPI) constructPolicyWithTriggerTime(ctx context.Context, policie
 	return res, nil
 }
 
+// validateAddress validate the address is connectable
+func validateAddress(address string) error {
+	request, _ := http.NewRequest("GET", address, nil)
+	client := http.Client{
+		Timeout: time.Second * 3,
+	}
+	resp, err := client.Do(request)
+	if err != nil {
+		return errors.New(err).WithCode(errors.BadRequestCode)
+	}
+	return resp.Body.Close()
+}
+
 func isEventTypeSupported(eventType string) bool {
 	for _, t := range notification.GetSupportedEventTypes() {
 		if t.String() == eventType {
diff --git a/src/server/v2.0/handler/webhook_test.go b/src/server/v2.0/handler/webhook_test.go
index 026e9ac7955b..52ceabe456fd 100644
--- a/src/server/v2.0/handler/webhook_test.go
+++ b/src/server/v2.0/handler/webhook_test.go
@@ -17,6 +17,8 @@ package handler
 import (
 	"fmt"
 	"io"
+	"net/http"
+	"net/http/httptest"
 	"testing"
 	"time"
 
@@ -92,7 +94,12 @@ func (suite *WebhookTestSuite) TestCreateWebhookPolicyOfProject() {
 
 	{
 		// valid policy should got 200
-		resp, err := suite.PostJSON(url, &models.WebhookPolicy{EventTypes: []string{"PUSH_ARTIFACT"}, Targets: []*models.WebhookTargetObject{{Type: "http", Address: "http://127.0.0.1"}}})
+		handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			fmt.Fprintln(w, "Hello, World!")
+		})
+		server := httptest.NewServer(handler)
+		defer server.Close()
+		resp, err := suite.PostJSON(url, &models.WebhookPolicy{EventTypes: []string{"PUSH_ARTIFACT"}, Targets: []*models.WebhookTargetObject{{Type: "http", Address: server.URL}}})
 		suite.NoError(err)
 		suite.Equal(201, resp.StatusCode)
 	}
@@ -121,7 +128,12 @@ func (suite *WebhookTestSuite) TestUpdateWebhookPolicyOfProject() {
 
 	{
 		// valid policy should got 200
-		resp, err := suite.PutJSON(url, &models.WebhookPolicy{EventTypes: []string{"PUSH_ARTIFACT"}, Targets: []*models.WebhookTargetObject{{Type: "http", Address: "http://127.0.0.1"}}})
+		handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			fmt.Fprintln(w, "Hello, World!")
+		})
+		server := httptest.NewServer(handler)
+		defer server.Close()
+		resp, err := suite.PutJSON(url, &models.WebhookPolicy{EventTypes: []string{"PUSH_ARTIFACT"}, Targets: []*models.WebhookTargetObject{{Type: "http", Address: server.URL}}})
 		suite.NoError(err)
 		suite.Equal(200, resp.StatusCode)
 	}
@@ -232,6 +244,22 @@ func (suite *WebhookTestSuite) TestGetSupportedEventTypes() {
 	suite.Len(body.NotifyType, len(notification.GetSupportedNotifyTypes()))
 }
 
+func (suite *WebhookTestSuite) Test_validateAddress() {
+	err := validateAddress("http://123:8080")
+	suite.Error(err)
+
+	err = validateAddress("https://1.2.3.4")
+	suite.Error(err)
+
+	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintln(w, "Hello, World!")
+	})
+	server := httptest.NewServer(handler)
+	defer server.Close()
+	err = validateAddress(server.URL)
+	suite.NoError(err)
+}
+
 func TestWebhookTestSuite(t *testing.T) {
 	suite.Run(t, &WebhookTestSuite{})
 }
diff --git a/tests/apitests/python/test_webhook_crud.py b/tests/apitests/python/test_webhook_crud.py
index 8fbacc3cbcd1..f87e9c1ba085 100644
--- a/tests/apitests/python/test_webhook_crud.py
+++ b/tests/apitests/python/test_webhook_crud.py
@@ -58,14 +58,8 @@ def testDelRepo(self):
             type = "slack",
             auth_header = "aaa"
         )
-        target_2 = v2_swagger_client.WebhookTargetObject(
-            address = "https://202.10.12.13",
-            skip_cert_verify = False,
-            type = "http",
-            auth_header = "aaa"
-        )
         #This need to be removed once issue #13378 fixed.
-        policy_id, policy_name = self.webhook.create_webhook(self.project_id, [target_1, target_2], **self.USER_CLIENT)
+        policy_id, policy_name = self.webhook.create_webhook(self.project_id, [target_1], **self.USER_CLIENT)
         target_1 = v2_swagger_client.WebhookTargetObject(
             address = "https://hooks.slack.com/services/new",
             skip_cert_verify = True,