Failing to connect to a FTP does not tell you much about the problem, Mx.
The host IP works and a site is up, but it appears that the FTP is down. If a login fails, it can be a misconfiguration on my part, active/passive mistakes, or an FTP can be up but have number of connections set to zero. It could be anything,and too time-consuming. However, if I can quickly detect that an FTP service is down, and someone else can verify this, it is fast and appears much more objective.
I appreciate your input, but I really need helpful advice or a product suggestion.
Thanks!
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