On Tue, 7 Apr 2015, Ray Pelletier wrote:
There is no cost to turning it off.
The must be SOME cost associated with fixing the links
to FTP URLs on the IETF web site. Surely the intent is
not simply to turn off the service and leave broken links
such as ftp://ftp.ietf.org/ietf-mail-archive/ietf in
http://www.ietf.org/list/discussion.html or
ftp://ftp.ietf.org/ietf-mail-archive/wgchairs in
http://www.ietf.org/wg/chairs-page.html (among others).
//cmh