Display Filter Reference: PCAP File Format

Protocol field name: file-pcap

Versions: 2.0.0 to 2.6.1

Back to Display Filter Reference

Field name Description Type Versions
pcap.header Header Label 2.0.0 to 2.6.1
pcap.header.link_type Link Type Unsigned integer, 4 bytes 2.0.0 to 2.6.1
pcap.header.magic_bytes Magic Bytes Unsigned integer, 4 bytes 2.0.0 to 2.0.1
pcap.header.magic_number Magic Number Sequence of bytes 2.0.2 to 2.6.1
pcap.header.sigfigs Sigfigs Unsigned integer, 4 bytes 2.0.0 to 2.6.1
pcap.header.snapshot_length Snapshot Length Unsigned integer, 4 bytes 2.0.0 to 2.6.1
pcap.header.this_zone This Zone Signed integer, 4 bytes 2.0.0 to 2.6.1
pcap.header.version.major Version Major Unsigned integer, 2 bytes 2.0.0 to 2.6.1
pcap.header.version.minor Version Minor Unsigned integer, 2 bytes 2.0.0 to 2.6.1
pcap.packet Packet Label 2.0.0 to 2.6.1
pcap.packet.data Data Label 2.0.0 to 2.6.1
pcap.packet.data.data Data Label 2.0.0 to 2.0.16
pcap.packet.data.pseudoheader Pseudoheader Label 2.0.0 to 2.0.16
pcap.packet.data.pseudoheader.bluetooth.direction Direction Unsigned integer, 4 bytes 2.0.0 to 2.0.16
pcap.packet.included_length Included Length Unsigned integer, 4 bytes 2.0.0 to 2.6.1
pcap.packet.origin_length Origin Length Unsigned integer, 4 bytes 2.0.0 to 2.6.1
pcap.packet.timestamp Timestamp Date and time 2.0.0 to 2.6.1
pcap.packet.timestamp.sec Timestamp sec Unsigned integer, 4 bytes 2.0.0 to 2.6.1
pcap.packet.timestamp.usec Timestamp usec Unsigned integer, 4 bytes 2.0.0 to 2.6.1
pcap.unknown_encoding Expert Info Label 2.0.0 to 2.0.1
Go Beyond with Riverbed Technology

Riverbed is Wireshark's primary sponsor and provides our funding. They also make great products that fully integrate with Wireshark.

I have a lot of traffic...

ANSWER: SteelCentral™ Packet Analyzer PE
  • • Visually rich, powerful LAN analyzer
  • • Quickly access very large pcap files
  • • Professional, customizable reports
  • • Advanced triggers and alerts
Learn More

Buy Now

No, really, I have a LOT of traffic…

ANSWER: SteelCentral™ NetShark appliance
  • • Troubleshoot problems faster
  • • Quickly identify the applications running on your network
  • • Monitor your virtual machine traffic
Learn More