title: WinDivert Issue
body: <p>I Have an issue with <a href="http://reqrypt.org/windivert.html" rel="nofollow">WinDivert</a>.  DivertSend does not work,  GetLastError() return 1237 ?</p>
  
  <p>I have a another question. I want to divert traffic based on an IP list, I have a CSV file with more than 20000 records, each record contain an IP range, the problem is I can just call DivertOpen with only 500 record of my CSV file as a filter string. if I call DivertOpen with more than 500 record as filter I got "filter syntax error". How can i fix this issue.
  Thanks</p>