Packet Captures: Difference between revisions
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====Capture Filter Primitives====
[src|dst] host <host> Matches a host as the IP source, destination, or either
ether [src|dst] host <ehost> Matches a host as the Ethernet source, destination, or either
gateway host <host> Matches packets which used host as a gateway
[src|dst] net <network>/<len> Matches packets to or from an endpoint residing in network
[tcp|udp] [src|dst] port <port> Matches TCP or UDP packets sent to/from port
[tcp|udp] [src|dst] portrange <p1>-<p2> Matches TCP or UDP packets to/from a port in the given range
less <length> Matches packets less than or equal to length
greater <length> Matches packets greater than or equal to length
(ether|ip|ip6) proto <protocol> Matches an Ethernet, IPv4, or IPv6 protocol
(ether|ip) broadcast Matches Ethernet or IPv4 broadcasts
(ether|ip|ip6) multicast Matches Ethernet, IPv4, or IPv6 multicasts
type (mgt|ctl|data) [subtype <subtype>] Matches 802.11 frames based on type and optional subtype
vlan [<vlan>] Matches 802.1Q frames, optionally with a VLAN ID of vlan
mpls [<label>] Matches MPLS packets, optionally with a label of label
<expr> <relop> <expr> Matches packets by an arbitrary expression
====Command Line Options====
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