{{{#!highlight sh

# Don't resolve hostnames (cleaner output?)
tcpdump -n

# ICMP (ping) packets only
tcpdump icmp

# IPv6 traffic
tcpdump ip6

}}}

 * host <IP>: only to/from a certain host or port
 * src <IP>: only from a certain host or port
 * dst <IP>: only to a certain host or port

 * port <n>: only from a port number
----
CategoryCheatSheet