How to determine what URL a closed source piece of software is connecting to? (OSX)

StackOverflow https://stackoverflow.com/questions/977405

  •  13-09-2019
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Question

Usually I'd use Wireshark, but is there a really super quick way to determine what URL an app is pulling data from? I need to whitelist the host so that it works through a proxy server, as the app doesn't support proxies.

Was it helpful?

Solution

Fire up terminal and type 

lsof -i

this lists all open internet connections.
Of course you can restrict the listing to include only connections from certain executable with -c option. Read the man page for lsof. Learn to use it, it's a great little tool.

OTHER TIPS

Check out Little Snitch http://www.obdev.at/products/littlesnitch/index.html

Great little program to catch those "phone homes". Cheap too!

Give this a shot:

Charles Web Debugging Proxy

It's not quite as heavy as Wireshark so you should be able to get your results pretty quick. Short of something like Wireshark or a HTTP Debugging Proxy, I'm not sure how you'd know.

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