Hi @sanderbol - I’ve added your feature request. Thank you for sharing more details about your underlying need. 
Any traction on this? It’s nearly a year later. I would also love to be able to monitor an FTP server.
I don’t have any updates on this at the moment, @bliyanage - I will submit a request on your behalf. Thank you!
Just for some clarity, I’m specifically looking for sftp, which might be a little different.
Hey @bliyanage,
Thanks for the clarification! I’ve gone ahead and modified the request to capture that you are looking primarily for sftp support.
Still being worked on, @ncrown! I will be happy to create a feature request on your behalf. Feel free to provide any context/details for our product team.
Yes - please do create an FR on our behalf.
What we really need is the ability to ping / login via FTPS and list the directory contents.
Nick
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I would like the ability check the available of any given network port. For example, I would like to check that an SMTP responds with ‘HELO’.
This should be covered with the ‘net’ library which isn’t available.
Hi @cdhunt - thank you for the request. I’ve gone ahead and sent this off to our product management team.
I hate to bring up an old topic but was this ever finished? I need the ability to monitor if an FTP url is up and if a specific port is open. @Linds @ehulburt Thanks!
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This would be very useful
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This would be very useful feature, any updates on if it will ever be included?
I don’t know if this did make it to the roadmap @richard.mitton - let me reach out to the product manager for Synthetics to try get you an update. 
Is there any update on this request? we are stuck on site 24 x 7 because we cannot check smtp and ftp with NR
Additional modules have been added that allow you to interact with FTP/FTPS/SFTP servers and also connect to TCP ports. Examples are available.