Ravi Sir's Cards › AWS
tcpdump in 4 steps
What is a VPC: your own private network inside one AWS Region, example ThreeTierVpc 10.0.0.0/16.
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What this card says
Why do we need it?
See real packets.
What is it?
-i interface, -nn numbers.
How to do it
Filter: host, port, icmp.
Example
One port.
sudo tcpdump -i any -nn port 443