Libpcap File Format — file signature D4 C3 B2 A1 (little-endian) at offset 0

For Libpcap File Format, hex signature is D4 C3 B2 A1 (little-endian); offset is 0; extension is pcap, verified against its source on 2026-09-22.

Hex signature: D4 C3 B2 A1 (little-endian) verified
Offset: 0 verified
Extension: pcap verified
Format: Libpcap File Format verified

Sourceen.wikipedia.org

Verified2026-09-22

Review by2027-09-22

DatasetFile format magic numbers

What the source says

D4 C3 B2 A1 (little-endian) | ÔÃ²¡ | 0 | pcap | Libpcap File Format [2] |

— en.wikipedia.org, retrieved 2026-09-22

Source

en.wikipedia.orghttps://en.wikipedia.org/wiki/List_of_file_signatures

Last verified against source: 2026-09-22. Due for re-check by 2027-09-22. This page as Markdown · OKF bundle · full dataset as JSON.