gdnsd-plugin-tcp_connect(8) gdnsd TCP monitoring plugin


Example tcp_connect service_types config:

service_types => {
tcp9000 => {
plugin => tcp_connect,
port => 9000, # required
up_thresh => 20,
ok_thresh => 10,
down_thresh => 10,
interval => 10,
timeout => 3,


gdnsd-plugin-tcp_connect is a monitoring plugin that checks basic TCP connectivity to a given port. It establishes a basic TCP connection and then immediately closes without sending or receiving any data on each monitoring check.


The numeric port number to connect on, required.


Copyright (c) 2014 Brandon L Black <[email protected]>

This file is part of gdnsd.

gdnsd is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

gdnsd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with gdnsd. If not, see <>.