Specifying How Much Time to Allow for a Reverse DNS Lookup

By default, when NetTracker performs reverse DNS lookups (to resolve host names), it stops a lookup if it has not been completed after 3 seconds. For users with slower connections, a 3-second timeout may result in some reverse DNS lookups being stopped prematurely. This results in less than accurate sessionization, particularly when dealing with hosts that should be affected by host grouping. However, you can increase the number of seconds you want NetTracker to wait before stopping a DNS lookup.

To specify how much time to allow for a reverse DNS lookup:
  1. Click the Options tab.
  2. From the NetTracker Options list at the top of the page, select Edit Administrative Options.
  3. In the left-hand panel, click DNS under Network.
  4. In the Reverse DNS timeout box, enter the number of seconds you want NetTracker to wait before stopping a DNS lookup (to resolve host names). The slower your connection, the larger your timeout setting should be. Enter a number from 2 to 120. The default is 3.
  5. Click Save Options and then click Continue.