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| -rw-r--r-- | network/knock/README | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/network/knock/README b/network/knock/README index 1af140baead25..c439f9ced4284 100644 --- a/network/knock/README +++ b/network/knock/README @@ -1,10 +1,9 @@ -Knockd and knock are a port-knock server and client, respectively. Knockd -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, it runs a command -defined in its configuration file. This can be used to open up holes in -a firewall for quick access. - +Knockd and knock are a port-knock server and client, +respectively. Knockd 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, it runs a command defined in its configuration file. This +can be used to open up holes in a firewall for quick access. |