OpenBSD Handbook

Current snapshot · amd64 · Generated 2026-09-09

fwknop-2.6.11p1

firewall knock operator

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Description

fwknop stands for the "FireWall KNock OPerator", and implements an authorization scheme called Single Packet Authorization (SPA). This method of authorization is based around a default-drop packet filter and libpcap. SPA is essentially next generation port knocking.

Package information

Ports path
security/fwknop
Package architecture
amd64
Maintainer
The OpenBSD ports mailing-list <ports@openbsd.org>
Categories
security
Available flavors
None listed

These are ports metadata. Binary availability depends on the release, architecture and mirror. Build and test dependencies are not an installation checklist.

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