Capture packages with tcpdump or tcpflow

Capture packages with tcpdump or tcpflow

# packages from localhost to localhost
sudo tcpdump -vvv -A -i lo port 8080

# packages from localhost to somewhere else
sudo tcpdump -vvv -A host 192.168.1.101

# packages coming and going on a specific port, specific interface
sudo tcpdump -vvv -A -i eth0 'port 8080'

# packages coming and going on a specific port, any interface
sudo tcpdump -vvv -A -i any 'port 8080'

# tcpflow: all on given interface and port
tcpflow -c -i eth0 port 8080

# tcpflow: all on any interface and on a given port
tcpflow -c -i any port 8080