I am not sure if it would even be possible, but Wireshark would be a great app to have.
New: PeerBlock Plus (Dec 04, 2023), Platform 27.0.1 (Dec 03, 2023)
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Now Accepting Wire Transfers, Testing Ad Placements
Wireshark hosts their own Portable apped version here:
https://www.wireshark.org/download.html