Nagios/Icinga-compatible probe for MS Remote Desktop servers.

Rather than just check that you can open a TCP socket to the RDP server, this probe also checks that the lower layers of the RDP protocol stack (tpkt, X224, MCS-GCC) can initialise and connect, and also validates the TLS certificate for the server (if CredSSP is enabled).

It can also be used to emit a warning if the RDP server has CredSSP disabled.

Usage

usage: check_rdp [opts] <host or ip>

options:
  -h|--tls-host hostname
      use a different hostname for the TLS certificate check
  -p|--port port (default 3389)
  -t|--timeout ms (default 1000)
  -w|--warn-credssp

You can add it to nagios/icinga with a command block like this:

define command{
        command_name    check_rdp
        command_line    $USER1$/check_rdp -h $ARG1$ -t 5000 $HOSTADDRESS$
        }

License

2-clause BSD

Compiling

Install Erlang and rebar, then

rebar get-deps && rebar compile && rebar escriptize