tcpdump: localhost to localhost

linux localhost tcpdump
David picture David · Jun 28, 2010 · Viewed 76.8k times · Source

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!

Answer

unbeli picture unbeli · Jun 28, 2010 
sudo tcpdump -i lo

Related questions

How do I find all files containing specific text on Linux?

I'm trying to find a way to scan my entire Linux system for all files containing a specific string of text. Just to clarify, I'm looking for text within the file, not in the file name. When I was looking …

Read More
How to change permissions for a folder and its subfolders/files in one step?

I would like to change permissions of a folder and all its sub folders and files in one step (command) in Linux. I have already tried the below command but it works only for the mentioned folder: chmod 775 /opt/lampp/…

Read More
How can I recursively find all files in current and subfolders based on wildcard matching?

How can I recursively find all files in current and subfolders based on wildcard matching?

Read More