A packet sniffer could collect statistics on the amount of traffic (number of messages) from a process detecting the need for more bandwidth or a better method.A packet sniffer could detect excessive messages being sent by a port, detecting an error in the implementation.A packet sniffer could detect that messages are being sent to a network adapter if the network adapter did not report receiving the messages then this would localize the failure to the adapter.A packet sniffer for a token ring network could detect that the token has been lost or the presence of too many tokens (verifying the protocol).Reverse engineer protocols used over the network.any content encryption methods which may be in use).Spy on other network users and collect sensitive information such as passwords (depending on.Filter suspect content from network traffic.Gain information for effecting a network intrusion.WPE Pro could also be a useful tool for testing thick client applications or web applications which use applets to establish socket connections on non http ports. You can setup filters to modify the packets or even send them when you want in different intervals. It can record packets from specific processes, then analyze the information. Using WPE Pro one can select a running process from the memory and modify the data sent by it before it reaches the destination.
WPE Pro allows modification of data at TCP level. Winsock Packet Editor (WPE) Pro is a packet sniffing/editing tool which is generally used to hack multiplayer games.
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