Enable IIS7 under BitDefender 2009 Firewall Rules
Create the following rule and make sure that it’s positioned numerically “above” (i.e. lower number) than all the service.exe related rules… especially above the main “deny” rule at the last slot… i’m assuming we’re dealing with the System process because IIS7 (Windows Vista/Server 2008) moved the core listener daemon responsibility down to a lower level than W3SVC.exe