Generally, for passive FTP/s, the connection is negotiated on port 21 and then redirected to a higher port.
Joe On Fri, Sep 4, 2020 at 10:50 AM Roberto Halais <roberto.hal...@gmail.com> wrote: > Listers: > > We are converting all our file transfer jobs from FTP to FTPS. > Our security people insist we do not use port 21 for our FTPS. > I see no way of adding another port to our current ftp server it listens on > port 21. > Question: > Do I have to create another FTPD server listening on port 9921 (for > example)? > Can I have more than one ftp server per tcp/ip stack one listening on port > 21 and the other on port 9921? > > I haven't encountered this before and Google hasn't helped. > > Any ideas are welcome. > > Roberto > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
