Tcpdump captures network packets. Install tcpdump: sudo apt install tcpdump Capture packets on interface: sudo tcpdump -i eth0 Capture specific port: sudo tcpdump -i eth0 port 80 Save capture to file: sudo tcpdump -i eth0 -w capture.pcap Read saved file: tcpdump -r capture.pcap Tcpdump helps diagnose network issues quickly. Use with caution on production systems. Disclaimer: If you follow the information here, there is no warranty , I am not liable if it deletes your data, gets you hacked, burns your house down or anything else. If you follow the information contained here you do so entirely at your own risk . My views and opinions are my own and not necessarily represent the views of my employer. © Raheel Hameed and www.raheelhameed.com, 2017. Unauthorized use and/or duplication of this material without express and written permission from this site’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear cred...
A personal blog about my interests and ideas