lftp support ftps (different from sftp). ftps is ftp over an explicit TLS (SSL) connection. We’ve seen a few sites running MS IIS that require ftps and getting lftp to work has been tricky. To make it work verify that your lftp build has gnutls support compiled in with:
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lftp -v |
This build does not:
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Libraries used: Readline 5.1, Expat 1.95.8, OpenSSL 0.9.8d 28 Sep 2006 |
Here’s one that does:
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Libraries used: Readline 5.1, Expat 1.95.8, GnuTLS 2.6.6, zlib 1.2.3 |
Once you have have TLS support in your lftp build then you can put a file with something like this:
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lftp -c 'open -e "set ftps:initial-prot ""; \ set ftp:ssl-force true; \ set ftp:ssl-protect-data true; \ put test.txt; " \ -u "USERNAME","PASSWORD" \ ftps://HOSTNAME:990 ' |
The option sets are critical as lftp wants to do “PROT C” by default but Windows wants to see “PROT P”.