I'd like to know some way to scan programs networking activities. I mean record outcoming data sent by a program (e.g. program updater or a program itself).

I guess this could be done using Wireshark scanning the computer networking traffic, but I've never used it, and I think there could be some other way.

Accepted solutions for both Windows and/or *nix (like) operating systems.

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Are you looking for the local machine or for your whole subnet? One option is to build a linux dhcp server/firewall and have all of your internet traffic to go through your server. This way you can monitor every packet. – kobaltz Oct 8 '11 at 19:53
This is quite a general question. What is your final intent because there are are alot of packets sent out by any single program. Some programs don't even send the packets. It uses a proxy element. – surfasb Oct 9 '11 at 0:48
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An application firewall, such as Palo Alto can be used to examine traffic at the perimeter and has an application signature database to identify the application that issued the connection.

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