TCPDUMP

Channel:
United Kingdom SBCODE
Subscribers:
24,900
Published on ● Video Link: https://www.youtube.com/watch?v=VBEBpe62ioE


Duration: 11:18
524 views
2

I demonstrate some of the functionality which can be got from
the famous TCPDUMP utility which can be found on most linux system installs.

-n : Don't resolve host names
-X : Show the packet’s contents in both hex and ASCII
-c : Only get x number of packets and then stop
-w : write capture to file
-r : replay capture from file
-D : show interfaces
-i : listen to interface
-A : show ASCII

In this demo,
I use the above switches,
I also filter ICPMP packets,
I also filter packets on various PORT numbers,
I also filter packets based on TCP flags (URG,ACK,PSH,RST,SYN,FIN)
and
I also filter packets by their contents using GREP with search terms 'GET', 'POST' and 'iPhone'.



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Tags:
tcpdump
linux
grep
brute force