FTP check, how does it work

[LuukS]

Does anybody know how the FTP check works? It looks like it only works for http uri's and not for ftp uri's. On the demo site I made a check for the FTP site ftp.scene.org which is accessible through https with the url https://ftp.scene.org/. It can be found by the tag 'TEST FTP VIA HTTP' (https://demo.geohealthcheck.org/resource/723).
Did anybody create a working FTP check with probes for downloaden a small file (for example).

[justb4]

Good question. The FTP check has been there from the beginning (added by @tomkralidis ), but mainly to see if an FTP server was up. There is no specific "FTP Probe" and indeed it gets the default Probe which is just an HTTP request to the domain. I just checked on the demo server for that FTP Resource.

So it may be interesting to develop an FTP Probe. May have some challenges:

• protocol variants: FTP, FTPS sFTP
• may need to open incoming ports in firewall (at least I know from FTP-times long ago, when even the first versions of Internet Banking relied on FTP!).

But feel free to start developing an FTP Probe, for even the simplest use case. The Python built-in ftplib can be your friend!