2
votes
1answer
69 views

Which process is eating my connection?

I found something is eating 100KB of my rx Internet connection. Doing iftop I found that most data is coming from 69.31.72.192. Running this command line: lsof -P -i -n | cut -f 1 -d " " | uniq ...
0
votes
1answer
57 views

Run a program without networking?

Is there a way to run a program on OS X (e.g., from the command line) but without letting it see the network? I can turn off and disconnect all networking, but then all my other processes will be ...
6
votes
2answers
16k views

How to block internet traffic of an application?

Little Snitch can block internet traffic of a particular app. Can I do something similar without (paying) Little Snitch?
1
vote
0answers
271 views

How can I unbind a UDP port that has no entry in lsof?

On my Mac, I'm having trouble with a UDP port (500) that is "already in use", but it doesn't have an associated process anymore. sudo netstat -na | grep "udp4.*\.500\>" shows udp4 0 ...