Of course you can edit these with appropriate addresses and numbers. Unlike Wireshark's Display Filter syntax, Capture filters use Berkley Packet Filter syntax. Here are our favorites.Ĭapture only traffic to or from a specific IP address. net #.#.#.#/24 or net #.#.#.# mask 255.255.255.0Ĭapture traffic to or from (sources or destinations) a range of IP addresses. The two commands are the same result.Ĭapture traffic with a source range of IP addresses.Ĭapture traffic with a destination range of IP addresses.Ĭaptures only traffic to or from the MAC address used. Capitalizing hexadecimal letters does not matter. Example: ether host 01:0c:5e:00:53:00Ĭaptures VLAN traffic for a particular host.Ĭaptures VLAN traffic for a paticular host and a particular port (HTTP in the example).Ĭaptures only IP (ip is IPv4, ip6 is IPv6) traffic.Ĭapture single source or destination port traffic. Another example: port 53 for DNS traffic.Ĩ. host and not (port xx or port yy) or not port xx and not port yyĬapture all traffic, exclude specific packets. The two commands above are the same result.Ĭapture traffic within a range of ports.
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