knock - Flexible port-knocking server and client

Property Value
Distribution FreeBSD 11
Repository FreeBSD Ports Latest amd64
Package filename knock-0.5_1,1.txz
Package name knock
Package version 0.5
Package release 1,1
Package architecture amd64
Package type txz
Category security
License GPLv2
Download size 26.89 KB
Installed size 70.16 KB
knockd is a port-knock server. It listens to all traffic on an ethernet
(or PPP) interface, looking for special "knock" sequences of port-hits.
A client makes these port-hits by sending a TCP (or UDP) packet to a
port on the server. This port need not be open -- since knockd listens
at the link-layer level, it sees all traffic even if it's destined for
a closed port. When the server detects a specific sequence of port-hits
port-hits, it runs a command defined in its configuration file. This
can be used to open up holes in a firewall for quick access.
- CLIENT: on
- SERVER: on


Package Version Architecture Repository
knock-0.5_1,1.txz 0.5 i386 FreeBSD Ports Quarterly
knock-0.5_1,1.txz 0.5 amd64 FreeBSD Ports Quarterly
knock-0.5_1,1.txz 0.5 i386 FreeBSD Ports Latest
knock - - -


Type URL
Binary Package knock-0.5_1,1.txz
Source Package security/knock

Install Howto

Install knock txz package:

# pkg install knock

See Also

Package Description
knocker-0.7.1.txz Simple and easy to use TCP only port scanner (Console version)
knockpy- Tool designed to enumerate subdomains on a target domain
knot-resolver-4.1.0_2.txz Caching full resolver implementation
knot2-2.8.3_1.txz High performance authoritative-only DNS server
knot2-lib-2.8.3_1.txz Knot2 lib (required by knot-resolver)
knxd-0.14.29_2.txz Advanced router/gateway for KNX
ko-FreeWnn-lib-1.1.1.a021_13.txz Japanese/Chinese/Korean input method (Korean client libraries)
ko-FreeWnn-server-1.1.1.a021_14.txz Japanese/Chinese/Korean input method (Korean server)
ko-aleefonts-ttf-13.3_1.txz A-Lee's Hangul truetype fonts
ko-baekmukfonts-bdf-2.0_7.txz Free Hangul fonts for X11(baekmuk)
ko-d2coding-ttf-1.3.2.txz D2Coding Hangul font
ko-engdic-0.2_1.txz English dictionary utility for Korean
ko-fcitx-hangul-0.3.0_1.txz Hangul support for Fcitx
ko-freebsd-doc-53465,1.txz Korean translation of the FreeBSD Documentation Project
ko-gimp-help-html-2.8.2_1.txz GIMP User Manual in Korean