knockd

A port-knocking server

It listens to all traffic on an ethernet (or PPP) interface, looking for special "knock" sequences of port-hits. A client (package knock) 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, it runs a command defined in its configuration file. This can be used to open up holes in a firewall for quick access.

  • Version 0.7
  • Size 40.5 KB
  • openSUSE Leap 15.1
Direct Install Expert Download

Distributions

openSUSE Tumbleweed

openSUSE Leap 15.2

openSUSE Leap 15.1

SUSE SLE-15-SP1

SUSE SLE-15

SUSE SLE-11 SP 4

Unsupported distributions

The following distributions are not officially supported. Use these packages at your own risk.