diff --git a/dput/methods/ftp.py b/dput/methods/ftp.py
index a935d0854d904df75976a5176a10212b8a6e6857..0ad82140ec6816d1f73c32cc0e4de4a323d02bf7 100644
--- a/dput/methods/ftp.py
+++ b/dput/methods/ftp.py
@@ -17,16 +17,24 @@ from ..helper import dputhelper
 
 def upload(
         fqdn, login, incoming, files_to_upload, debug, ftp_mode,
-        progress=0, port=21):
+        progress=0, port=21, use_tls=False):
     """ Upload the files via FTP.
 
         (Could need a bit more error-checking.)
 
         """
+    # Custom port: ftplib.FTP somehow implicitly works with port appendix to fqdn, ftplib.FTP_TLS does not.
+    _fqdn, _sep, _port = fqdn.partition(":")
+    if _port:
+        fqdn = _fqdn
+        port = int(_port)
 
     try:
-        ftp_connection = ftplib.FTP()
+        ftp_connection = ftplib.FTP_TLS() if use_tls else ftplib.FTP()
         ftp_connection.connect(fqdn, port)
+        if use_tls:
+            ftp_connection.auth()
+            ftp_connection.prot_p()
         if debug:
             sys.stdout.write("D: FTP-Connection to host: %s\n" % fqdn)
     except ftplib.all_errors as e:
diff --git a/dput/methods/ftps.py b/dput/methods/ftps.py
new file mode 100644
index 0000000000000000000000000000000000000000..7849123d96b598e964214a6a0963604e0c223d57
--- /dev/null
+++ b/dput/methods/ftps.py
@@ -0,0 +1,16 @@
+# dput/methods/ftps.py
+# Part of ‘dput’, a Debian package upload toolkit.
+#
+# This is free software, and you are welcome to redistribute it under
+# certain conditions; see the end of this file for copyright
+# information, grant of license, and disclaimer of warranty.
+
+""" Implementation for FTPS (RFC 4217) upload method. """
+
+from . import ftp
+
+
+def upload(
+        fqdn, login, incoming, files_to_upload, debug, ftp_mode,
+        progress=0, port=990):
+    ftp.upload(fqdn, login, incoming, files_to_upload, debug, ftp_mode, progress, port, use_tls=True)