manual

GFI Network Server Monitor Configuring monitor functions 52
Generic TCP/IP check
GFI Network Server Monitor can check local or remote server
connections by challenging a specific port. The challenge will involve
connecting to the target computer, sending it a sequence of bytes and
analyzing the information received.
Screenshot 45 - TCP/IP check parameters dialog
A TCP/IP check requires the following parameters:
Port – Specify the TCP port number of the protocol to be checked,
by default port 80.
Send command when connected – Enable this flag to send the
specified command as soon as the connection is established.
Response must include the following string Enable this flag in
order to check if the response message contains the specified
string.
Timeout – Number of milliseconds before the function will timeout.
Usually, a connection to the server will be established within 1
second. However, some slow/busy servers need more time.
Recommended value is 7000 milliseconds.