Wireshark) is the new name for what was Ethereal. It is a graphical packet sniffer that uses the same libraries as tcpdump.

Filters

Display filters have their own syntax, whereas capture filters use tcpdump syntax.

Display Filters

Filter by packet data content

Display all packets that contain "foo" in the data section:

data contains foo

Display hosts within a given subnet

ip.addr == 10.57.8.244/30

Display data within a port range

To see all ceph-osd data

tcp.port >= 6800 and tcp.port <= 7300

See also