Hi, 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!
Hi, 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!