ssh or scp to EC2

ssh -i ~/key.pem ec2-user@ec2-54-241-11-23.us-west-1.compute.amazonaws.com

scp -i ~/key.pem file.txt ec2-user@ec2-54-241-11-23.us-west-1.compute.amazonaws.com:~/

netstat -an |find /i "listening"

netstat -na | grep 443 | grep 66.151.139

tcpdump port 443

More tcpdump commands:
dump to file for wireshark analysis
sudo tcpdump -w tcp.dump2 net 66.151

dump to console for grep
sudo tcpdump -i en0 host 66.151.139