diff --git a/server/HttpCmdReceiver.py b/server/HttpCmdReceiver.py
index ff80458..cf7e1a4 100644
--- a/server/HttpCmdReceiver.py
+++ b/server/HttpCmdReceiver.py
@@ -23,21 +23,33 @@ class HttpCmdHandler(BaseHTTPServer.BaseHTTPRequestHandler):
 
     def do_GET(self):
 	Logger.log("Request: %s" % self.path)
-	if self.command == "GET":
+	try:
+	    if self.command == "GET":
 		q = urlparse.urlparse(self.path).query
 		c = cgi.parse_qs(q)
+		if not c.has_key('c'):
+		    raise LocalException('no cmd given')
 		cmd = c['c']
-		dynid = c['d']
-		sharedSecret = c['s']		
-		Logger.log("c: %s, d: %s, s: %s" % (cmd, dynid, sharedSecret))
+		if cmd == 'register':
+		    self.register(c)
+		else:
+		    raise LocalException('unknown cmd')
 
-	self.send_response(200, "OK")
-	self.end_headers()
-	
+	    self.send_response(200, "OK")
+	    self.end_headers()
+	except LocalException, e:
+	    self.send_response(400, e.msg)
+	    self.end_headers()
 
-    def export_register(self, subdomain, sharedSecret, email):
+    def register(self, c):
 	try:
-	    dynid = suobdomain
+	    subdomain = c['subdomain']
+	    sharedShared = c['sharedsecret']
+	except KeyError, e:
+	    raise LocalException('Parameter missing: ' + e.msg)
+
+	try:
+	    dynid = subdomain
 	    zone = 'yadynns.net'
 	
 	    if XmlRpcServer.entries.has_key(dynid):