Most of the time integrated to applications like Windump or Ethereal, WinPcap does not work in standalone. It's a library for monitoring the data traffic on network devices, necessary for the operation of many programs and utilities. WinPcap is a filtering program that allows you to capture IP frames in a Windows environment. Advertisement Required by many other programs to capture and transmit network packets by bypassing the protocol stack.Ĭapture and transmit network packets bypassing the protocol stack.