tcpdump: localhost to localhost [closed]

StackOverflow https://stackoverflow.com/questions/3130911

  •  01-10-2019
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Question

I write a program that send TCP packets from localhost to localhost. And I want to use tcpdump to capture the packets. But nothing is captured. My command in Ubuntu:

sudo tcpdump

What argument shall I add? Thanks!

Was it helpful?

Solution 

sudo tcpdump -i lo
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