title: what is the default pingTimeout and pingInterval in socket.io
body: <p>I just want to know what is the default value of pingTimeout and PingInterval in socket.io? I read in the docs the values to be:</p>
  
  <pre><code>  pingTimeout (Number): how many ms without a pong packet to consider the connection closed (60000)
    pingInterval (Number): how many ms before sending a new ping packet (25000).
  </code></pre>
  
  <p>are these the default values? </p>