diff --git a/assets/bindata.go b/assets/bindata.go
index 4eab3ce2..05e12f5d 100644
--- a/assets/bindata.go
+++ b/assets/bindata.go
@@ -85,7 +85,7 @@ func bundleCssBr() (*asset, error) {
 		return nil, err
 	}
 
-	info := bindataFileInfo{name: "bundle.css.br", size: 2369, mode: os.FileMode(436), modTime: time.Unix(1534108559, 0)}
+	info := bindataFileInfo{name: "bundle.css.br", size: 2369, mode: os.FileMode(436), modTime: time.Unix(1534890642, 0)}
 	a := &asset{bytes: bytes, info: info}
 	return a, nil
 }
@@ -105,12 +105,12 @@ func bundleJsBr() (*asset, error) {
 		return nil, err
 	}
 
-	info := bindataFileInfo{name: "bundle.js.br", size: 104814, mode: os.FileMode(436), modTime: time.Unix(1534108559, 0)}
+	info := bindataFileInfo{name: "bundle.js.br", size: 104814, mode: os.FileMode(436), modTime: time.Unix(1534890642, 0)}
 	a := &asset{bytes: bytes, info: info}
 	return a, nil
 }
 
-var _configDefaultToml = 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+var _configDefaultToml = 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
 func configDefaultTomlBytes() ([]byte, error) {
 	return bindataRead(
@@ -125,7 +125,7 @@ func configDefaultToml() (*asset, error) {
 		return nil, err
 	}
 
-	info := bindataFileInfo{name: "config.default.toml", size: 1498, mode: os.FileMode(436), modTime: time.Unix(1533925483, 0)}
+	info := bindataFileInfo{name: "config.default.toml", size: 1572, mode: os.FileMode(436), modTime: time.Unix(1534890194, 0)}
 	a := &asset{bytes: bytes, info: info}
 	return a, nil
 }
diff --git a/config.default.toml b/config.default.toml
index 4145764f..a4e657d6 100644
--- a/config.default.toml
+++ b/config.default.toml
@@ -1,3 +1,5 @@
+# IP address to listen on, leave empty to listen on anything
+address = ""
 port = 80
 # Hex encode the users IP and use it as the ident
 hexIP = false
diff --git a/server/server.go b/server/server.go
index aafb8261..dac405ce 100644
--- a/server/server.go
+++ b/server/server.go
@@ -106,6 +106,7 @@ func (d *Dispatch) loadUser(user *storage.User) {
 }
 
 func (d *Dispatch) startHTTP() {
+	addr := viper.GetString("address")
 	port := viper.GetString("port")
 
 	if viper.GetBool("https.enabled") {
@@ -114,11 +115,11 @@ func (d *Dispatch) startHTTP() {
 
 		if redirect {
 			log.Println("[HTTP] Listening on port", port, "(HTTPS Redirect)")
-			go http.ListenAndServe(":"+port, createHTTPSRedirect(portHTTPS))
+			go http.ListenAndServe(net.JoinHostPort(addr, port), createHTTPSRedirect(portHTTPS))
 		}
 
 		server := &http.Server{
-			Addr:    ":" + portHTTPS,
+			Addr:    net.JoinHostPort(addr, portHTTPS),
 			Handler: http.HandlerFunc(d.serve),
 		}
 
@@ -132,7 +133,7 @@ func (d *Dispatch) startHTTP() {
 
 			if viper.GetBool("letsencrypt.proxy") && lePort != "" && (port != "80" || !redirect) {
 				log.Println("[HTTP] Listening on port 80 (Let's Encrypt Proxy))")
-				go http.ListenAndServe(":80", http.HandlerFunc(letsEncryptProxy))
+				go http.ListenAndServe(net.JoinHostPort(addr, "80"), http.HandlerFunc(letsEncryptProxy))
 			}
 
 			le, err := letsencrypt.Run(dir, domain, email, ":"+lePort)
@@ -156,7 +157,7 @@ func (d *Dispatch) startHTTP() {
 			port = "1337"
 		}
 		log.Println("[HTTP] Listening on port", port)
-		log.Fatal(http.ListenAndServe(":"+port, http.HandlerFunc(d.serve)))
+		log.Fatal(http.ListenAndServe(net.JoinHostPort(addr, port), http.HandlerFunc(d.serve)))
 	}
 }