title: i can't connect to localhost:7474/db/data for create a graphDatabaseService
body: <p>I am new with neo4j when I wrote this code I got the following error:</p>
  
  <pre><code>&gt;&gt;&gt; from py2neo import neo4j
  &gt;&gt;&gt; graph_DB = neo4j.GraphDatabaseService ("http://localhost:7474/db/data")
  
  Traceback (most recent call last):
     File "&lt;pyshell#1&gt;", line 1, in &lt;module&gt;
        graph_DB = neo4j.GraphDatabaseService ("http://localhost:7474/db/data")
     File "C:\Python27\lib\site-packages\py2neo\neo4j.py", line 557, in __init__
        rs = self._send(rest.Request(self, "GET", self._uri))
     File "C:\Python27\lib\site-packages\py2neo\rest.py", line 372, in _send
        raise SocketError(err)
  SocketError: error(10061, 'No connection could be made because the target machine actively refused it')
  </code></pre>
  
  <p>I use windows 7. I have done several search and find out that I must open port 7474 to use it in <strong>windows firewall with advance security</strong> but when I create a new rule in <strong>inbound rules</strong> this don't effect to that port. Also in ubuntu 10.10 I can't open the port using <strong>netcat</strong>:</p>
  
  <pre><code>nc -l 7474
  </code></pre>
  
  <p>Where am I wrong ? thank you</p>