diff --git a/README.md b/README.md
index 73f87f6..ead41a5 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 Provide an HTTP anthentification over XMPP. Implementation of [XEP-0070](https://xmpp.org/extensions/xep-0070.html).
 
+Can be run as a XMPP client or XMPP component.
+
 
 ## Compilation
 ### Dependencies
@@ -16,14 +18,14 @@ go get git.kingpenguin.tk/chteufleur/HTTPAuthentificationOverXMPP.git
 ```
 
 ### Configure
-Configure the gateway by editing the ``httpAuth.cfg`` file in order to give all XMPP component and HTTP server informations.
+Configure the gateway by editing the ``httpAuth.cfg`` file in order to give all XMPP and HTTP server informations.
 An example of the config file can be found in [the repos](https://git.kingpenguin.tk/chteufleur/HTTPAuthentificationOverXMPP/src/master/httpAuth.cfg).
 
 XMPP
  * xmpp_server_address : Component server address connection (default: 127.0.0.1)
  * xmpp_server_port : Component server port connection (default: 5347)
- * xmpp_hostname : Component hostname
- * xmpp_secret : Component password
+ * __xmpp_jid__ : Account JID
+ * __xmpp_secret__ : Account password
  * xmpp_debug : Enable debug log at true (default: false)
 
 HTTP
@@ -33,6 +35,7 @@ HTTP
  * https_key_path : Path to the key file (default: ./key.pem)
  * http_timeoute_sec : Define a timeout if user did not give an answer to the request (default: 60)
 
+__Bold config__ are mandatory.
 
 ### Usage
 To ask authorization, just send an HTTP request to the path ``/auth`` with parameters:
diff --git a/httpAuth.cfg b/httpAuth.cfg
index 54fb7c8..c5d81b4 100644
--- a/httpAuth.cfg
+++ b/httpAuth.cfg
@@ -1,15 +1,10 @@
 # XMPP informations (component)
 xmpp_server_address=192.168.1.2
 xmpp_server_port=5347
-xmpp_hostname=xmppsteam.kingpenguin.tk
+xmpp_jid=xmppsteam.kingpenguin.tk
 xmpp_secret=xmpp4steam_password
 xmpp_debug=true
 
-# XMPP informations (client)
-#xmpp_hostname=toto@jabber.fr
-#xmpp_secret=totoPwd
-#xmpp_debug=true
-
 # HTTP informations
 http_port=9090
 https_port=9093
diff --git a/main.go b/main.go
index 03d77c1..8938697 100644
--- a/main.go
+++ b/main.go
@@ -15,7 +15,7 @@ import (
 )
 
 const (
-	Version               = "v0.3.1"
+	Version               = "v0.4"
 	configurationFilePath = "httpAuth.cfg"
 )
 
@@ -60,20 +60,11 @@ func init() {
 		xmpp.Port = xmpp_server_port
 	}
 
-	xmpp.JidStr = mapConfig["xmpp_hostname"]
+	xmpp.JidStr = mapConfig["xmpp_jid"]
 	xmpp.Secret = mapConfig["xmpp_secret"]
 	xmpp.Debug = mapConfig["xmpp_debug"] == "true"
 }
 
-func getChanString(c chan interface{}) string {
-	ret := ""
-	i := <-c
-	if v, ok := i.(string); ok {
-		ret = v
-	}
-	return ret
-}
-
 func main() {
 
 	go http.Run()
diff --git a/xmpp/xmpp.go b/xmpp/xmpp.go
index e280e68..c9bda83 100644
--- a/xmpp/xmpp.go
+++ b/xmpp/xmpp.go
@@ -11,11 +11,14 @@ const (
 	LogInfo  = "\t[XMPP INFO]\t"
 	LogError = "\t[XMPP ERROR]\t"
 	LogDebug = "\t[XMPP DEBUG]\t"
+
+	DEFAULT_SERVER_ADDRESS = "127.0.0.1"
+	DEFAULT_SERVER_PORT    = "5347"
 )
 
 var (
-	Addr   = "127.0.0.1"
-	Port   = "5347"
+	Addr   = ""
+	Port   = ""
 	JidStr = ""
 	Secret = ""
 
@@ -46,11 +49,24 @@ func Run() {
 
 	if isComponent {
 		// component
+		if Addr == "" {
+			Addr = DEFAULT_SERVER_ADDRESS
+		}
+		if Port == "" {
+			Port = DEFAULT_SERVER_PORT
+		}
 		addr = Addr + ":" + Port
 	} else {
 		// client
-		addrs := must(xmpp.HomeServerAddrs(jid)).([]string)
-		addr = addrs[0]
+		if Addr == "" {
+			addrs := must(xmpp.HomeServerAddrs(jid)).([]string)
+			addr = addrs[0]
+		} else {
+			if Port == "" {
+				Port = DEFAULT_SERVER_PORT
+			}
+			addr = Addr + ":" + Port
+		}
 	}
 
 	log.Printf("%sConnecting to %s", LogInfo, addr)