Are you interested in not just knowing that a particular software is using the internet, but actually viewing the communications Do you need to log certain network activity, but have no easy means to do so Or are you just bored and looking for a new network toy to play with Whether you're a network administrator, network programmer or power user, AnalogX PacketMon is a fast and simple to use network monitor!
AnalogX PacketMon allows you to capture IP packets that pass through your network interface - whether they originated from the machine on which PacketMon is installed, or a totally different machine on your network! Once the packet is received, you can use the built in viewer to examine the header as well as the contents, and you can even export the results into a standard comma-delimited file to importing into your favorite program. As if that's not enough, PacketMon has a strong rule system that allows you to narrow down the packets it captures to ensure you get EXACTLY what you're after, without tons of unrelated information.
PacketMon works on Windows 2000 (it's about time to upgrade) or any version of Windows written in this century (so XP, Vista, Windows7, etc).
AnalogX PacketMon allows you to capture IP packets that pass through your network interface - whether they originated from the machine on which PacketMon is installed, or a totally different machine on your network! Once the packet is received, you can use the built in viewer to examine the header as well as the contents, and you can also export the results into a standard comma-delimited file for further processing. PacketMon includes a strong rule system that allows advanced users to narrow down the packets it captures to ensure you get exactly what you re after, without having to dig through tons of unrelated information. The rule sets can be saved as individual files, that can be exchanged with other users, or only loaded during special tasks. The software is intended for advanced users that have technical knowledge of TCP/IP networking. Packetmon is not much to look at but offers highly customizabe filtering options and fast and efficient processing.

The license of this software is Freeware, you can free download and free use this protocol analyzer software.