Fix to allow .htr files. The filter patch will limit all .htr requests to 255 characters.
Backdoor/NCX99 [Computer Associates]destructive program [F-Prot]Exploit-IIS.Hack [McAfee]HackTool/NetCat.A [Panda]security risk or a "backdoor" program [F-Prot]Trj/Iis_hack [Panda]Trojan.IIS_Hack [Kaspersky]Win32.IIShack.A [Computer Associates]W
iishack.exencx.exe