title: What's the meaning for '*' when using netstat command to check result?
body: <p>What's the mean for <code>*</code> when using <code>netstat</code> command to check result?</p>
  
  <pre><code>udp        0      0 10.224.54.76:18253          10.224.2.253:*              ESTABLISHED 30433/wbx
  </code></pre>
  
  <p>I noticed that there are two results, if there need to create two connections for udp?</p>
  
  <pre><code>udp        0      0 10.224.54.76:18252          10.224.2.253:37008          ESTABLISHED 30433/wbx     
  udp        0      0 10.224.54.76:18253          10.224.2.253:*              ESTABLISHED 30433/wbx
  </code></pre>