diff --git a/cmd/fail2ban-dashboard/fail2ban-dashboard.go b/cmd/fail2ban-dashboard/fail2ban-dashboard.go
index 324f30a..29a665d 100644
--- a/cmd/fail2ban-dashboard/fail2ban-dashboard.go
+++ b/cmd/fail2ban-dashboard/fail2ban-dashboard.go
@@ -18,7 +18,7 @@ var GitHash = "none"
 
 var supportedVersions = []string{"1.1.0"}
 
-var port int
+var address string
 var cacheDir string
 var user string
 var password string
@@ -41,7 +41,7 @@ var versionCmd = &cobra.Command{
 }
 
 func init() {
-	rootCmd.Flags().IntVarP(&port, "port", "p", 3000, "port to serve the dashboard on")
+	rootCmd.Flags().StringVarP(&address, "address", "a", "127.0.0.1:3000", "address to serve the dashboard on")
 	rootCmd.Flags().StringVarP(&cacheDir, "cache-dir", "c", "", "directory to cache GeoIP data (default current working directory)")
 	rootCmd.Flags().StringVar(&user, "auth-user", "", "username for basic auth")
 	rootCmd.Flags().StringVar(&password, "auth-password", "", "password for basic auth")
@@ -117,7 +117,7 @@ func run(cmd *cobra.Command, args []string) {
 	geoIP := geoip.NewGeoIP(absolutCacheDir)
 
 	configuration := &server.Configuration{
-		Port:         port,
+		Address:      address,
 		AuthUser:     user,
 		AuthPassword: password,
 	}
diff --git a/server/server.go b/server/server.go
index 3ffefa1..4d19ded 100644
--- a/server/server.go
+++ b/server/server.go
@@ -4,19 +4,19 @@ import (
 	"crypto/rand"
 	_ "embed"
 	"encoding/binary"
-	"fmt"
-	"github.com/gofiber/fiber/v2"
-	"github.com/gofiber/fiber/v2/log"
-	"github.com/gofiber/fiber/v2/middleware/basicauth"
-	client "github.com/webishdev/fail2ban-dashboard/fail2ban-client"
-	"github.com/webishdev/fail2ban-dashboard/geoip"
-	"github.com/webishdev/fail2ban-dashboard/store"
 	"html/template"
 	"net"
 	"sort"
 	"strconv"
 	"strings"
 	"time"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/fiber/v2/log"
+	"github.com/gofiber/fiber/v2/middleware/basicauth"
+	client "github.com/webishdev/fail2ban-dashboard/fail2ban-client"
+	"github.com/webishdev/fail2ban-dashboard/geoip"
+	"github.com/webishdev/fail2ban-dashboard/store"
 )
 
 //go:embed resources/css/daisyui@5.css
@@ -41,7 +41,7 @@ var jailCardHtml []byte
 var bannedHtml []byte
 
 type Configuration struct {
-	Port         int
+	Address      string
 	AuthUser     string
 	AuthPassword string
 }
@@ -190,10 +190,9 @@ func Serve(version string, fail2banVersion string, store *store.DataStore, geoIP
 
 	store.Start()
 
-	log.Infof("Listening on port %d", configuration.Port)
+	log.Infof("Listening on address %d", configuration.Address)
 
-	address := fmt.Sprintf(":%d", configuration.Port)
-	return app.Listen(address)
+	return app.Listen(configuration.Address)
 }
 
 func sortSlice(sorting string, order string, banned []client.BanEntry) func(i, j int) bool {
diff --git a/server/server_test.go b/server/server_test.go
index dd1393d..2ec0873 100644
--- a/server/server_test.go
+++ b/server/server_test.go
@@ -72,7 +72,7 @@ func createTestJail(name string, entries []client.BanEntry) store.Jail {
 func createTestApp(mockStore *MockDataStore, mockGeoIP *MockGeoIP, config *Configuration) *fiber.App {
 	if config == nil {
 		config = &Configuration{
-			Port:         8080,
+			Address:      ":8080",
 			AuthUser:     "",
 			AuthPassword: "",
 		}
@@ -438,14 +438,14 @@ func TestStaticFileHandlers(t *testing.T) {
 
 func TestConfigurationStructure(t *testing.T) {
 	config := &Configuration{
-		Port:         0, // Use port 0 to avoid conflicts
+		Address:      ":0", // Use port 0 to avoid conflicts
 		AuthUser:     "",
 		AuthPassword: "",
 	}
 
 	// Test configuration structure
 	t.Run("configuration validation", func(t *testing.T) {
-		if config.Port != 0 {
+		if config.Address != ":0" {
 			t.Error("Expected port to be 0 for test")
 		}
 		if config.AuthUser != "" {
@@ -465,7 +465,7 @@ func TestConfiguration(t *testing.T) {
 		{
 			name: "default configuration",
 			config: Configuration{
-				Port:         8080,
+				Address:      ":8080",
 				AuthUser:     "",
 				AuthPassword: "",
 			},
@@ -473,7 +473,7 @@ func TestConfiguration(t *testing.T) {
 		{
 			name: "with authentication",
 			config: Configuration{
-				Port:         3000,
+				Address:      ":3000",
 				AuthUser:     "admin",
 				AuthPassword: "secret",
 			},
@@ -482,7 +482,7 @@ func TestConfiguration(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			if tt.config.Port <= 0 && tt.name != "default configuration" {
+			if tt.config.Address <= "0" && tt.name != "default configuration" {
 				t.Error("Port should be positive")
 			}
 		})
@@ -691,7 +691,7 @@ func TestAuthenticationScenarios(t *testing.T) {
 		{
 			name: "no authentication",
 			config: Configuration{
-				Port:         8080,
+				Address:      ":8080",
 				AuthUser:     "",
 				AuthPassword: "",
 			},
@@ -700,7 +700,7 @@ func TestAuthenticationScenarios(t *testing.T) {
 		{
 			name: "user only",
 			config: Configuration{
-				Port:         8080,
+				Address:      ":8080",
 				AuthUser:     "admin",
 				AuthPassword: "",
 			},
@@ -709,7 +709,7 @@ func TestAuthenticationScenarios(t *testing.T) {
 		{
 			name: "password only",
 			config: Configuration{
-				Port:         8080,
+				Address:      ":8080",
 				AuthUser:     "",
 				AuthPassword: "secret",
 			},
@@ -718,7 +718,7 @@ func TestAuthenticationScenarios(t *testing.T) {
 		{
 			name: "full authentication",
 			config: Configuration{
-				Port:         8080,
+				Address:      ":8080",
 				AuthUser:     "admin",
 				AuthPassword: "secret",
 			},