diff --git a/cmd/main.go b/cmd/main.go
index 0045f6e..fcab6aa 100644
--- a/cmd/main.go
+++ b/cmd/main.go
@@ -36,7 +36,7 @@ func main() {
 	===== Init all Write here =====
 	*/
 	// Creation of the HelloRule
-	helloRule := writers.CreateHelloRule("^HELLO ([A-Za-z0-9]{5,20}) ([0-9]{1,5})\r\n$")
+	helloRule := writers.CreateHelloRule("^HELLO ([A-Za-z0-9.]{5,20}) ([0-9]{1,5})\r\n$")
 	protocolRepository.AddWriter(&helloRule)
 
 	// Creation of the SendOkRule
diff --git a/resources/AppConfig.json b/resources/AppConfig.json
index 0fe2c77..f7d1e6f 100644
--- a/resources/AppConfig.json
+++ b/resources/AppConfig.json
@@ -1,5 +1,5 @@
 {
-  "multicastNetworkInterface" : "wlp1s0",
+  "multicastNetworkInterface" : "tun0",
   "multicastAddress" : "224.66.66.1:15502",
   "multicastSecond" : 30,
   "domain" : "lightcontainerSB01",