in Mac OS X, why it run ftp server by default but not sftp??

Xah
xah@xahlee.org
∑ http://xahlee.org/

well actually, as it comes to you, by default (that is when it comes first
install or from the factory) neither ftp server of sftp is enabled.

That is, no server is enabled of either type.

What you will need to do is turn them on for whichever one you need. For
example, to turn on only ftp access go into system preferences, and in
sharing. What you do is turn on "ftp access" to turn on ftp. that will only
turn on ftp of course. same with sftp ssh.


in article 1123952958.701748.46390@g47g2000cwa.googlegroups.c om,
xah@xahlee.org at xah@xahlee.org wrote on 14/8/05 3:09 AM:

On Sat, 13 Aug 2005 13:09:18 -0400, xah@xahlee.org wrote
(in article <1123952958.701748.46390@g47g2000cwa.googlegroups. com>):

sftp _is_ available by default. You just have to use Terminal. Or a GUI
client which support sftp.

See, for example,
<http://www.usc.edu/isd/doc/internet/sftp/sftp/sftp_macOSX.html> or
<http://cirt.unm.edu/howtos/ht715.html>, both easily spotted by Googling 'mac
os x sftp'.

Or you could read the OS X Server manuals. Or, you could go to the Support
page on Apple's site and search for 'sftp'.

And why, oh why, is a _Mac_ question crossposted to c.u.a?

Followups set to c.s.m.s.

--
email to oshea dot j dot j at gmail dot com.

In article <1123952958.701748.46390@g47g2000cwa.googlegroups. com>,
xah@xahlee.org wrote:

FTP access is actually Truth in Advertising.

But SFTP access is not as easy to spot. To get SSH sftp access, you
need to enable "Remote Login", which enables up the SSH daemons.

System Preferences -> Sharing -> Remote Login

Bob Harris

Bob Harris <nospam.News.Bob@remove.Smith-Harris.us> writes:

SFTP ("SSH FTP") is tunnelled through the SSH program. (This is
probably the easiest way to think about it.)

SSH was orignally designed to allow remote logins (think Terminal.app)
on Unix systems, and OS X inherited it from the BSD code it has. Most
people don't need or use SSH, but those who do are very glad that it's
there.

--
David Magda <dmagda at ee.ryerson.ca>
Because the innovator has for enemies all those who have done well under
the old conditions, and lukewarm defenders in those who may do well
under the new. -- Niccolo Machiavelli, _The Prince_, Chapter VI

["Followup-To:" header set to comp.sys.mac.system.]
On 2005-08-13, David Magda <dmagda+trace050401@ee.ryerson.ca> wrote:
Easy, maybe; wrong, for sure. 'Tunneling' is a very specific concept in
the context of ssh, and it doesn't apply to sftp. In particular, sftp
is _not_ ftp tunneled through ssh. It's an ssh subsystem that's
completely independent of ftp.

The more important point was made before, by the previous poster:
neither an ftp nor an sftp server are enabled by default in osx. The OP
is simply mistaken about this. Both can be enabled through the "Sharing"
System Preference gui. Since sftp is a component of ssh, it's enabled
via "Remote Login", which I suppose might be what confused the OP
(though imo it should have been obvious to a unix.admin)

On Sat, 13 Aug 2005 14:17:21 -0400, J.J O'Shea <try.not.to@but.see.sig> wrote:
Because Macs run Unix, and have for many years now. It's perfectly
acceptable and on-topic here. We had the OS bigot here years ago, and
the group is a better place without him. There's no reason to play "My
unix is more unix than your unix" games; you just end up in a lot of
killfiles.

Rather arrogant of you. Followups fixed.

Bob Harris wrote:
FTP is a multi-operating system file transfer system. It
is older than UNIX and was originally written for
assorted mainframe operating systems. Along with telnet,
all Internet systems have inherited it. Consider the
FTP command "tenex" that sets the transfer type to the
format used by the Tenex series of mainframe operating
systems - I would be surprised if any of those are still
in service.

And this makes SFTP appear to be a UNIX-only service.
It isn't really UNIX-only, but all of the s* commands are
far more used on UNIX than on other operating systems.

So it's an adaptibility issue (setting aside the fact that
neither is run by default). Run the one that gives access
from the most types of systems. Simple in concept though
not particularly correct in details.

In comp.sys.mac.system Doug Freyburger <dfreybur@yahoo.com> wrote:
: Bob Harris wrote:

: FTP is a multi-operating system file transfer system. It
: is older than UNIX and was originally written for
: assorted mainframe operating systems. Along with telnet,
: all Internet systems have inherited it. Consider the
: FTP command "tenex" that sets the transfer type to the
: format used by the Tenex series of mainframe operating
: systems - I would be surprised if any of those are still
: in service.

Yeah but I think some things like the tenex command mutated over the years.

Am pretty sure back in 92/93 we were looking at some ftp source code
(trying to replace the vendors broken shipped copy) and tenex, when issued
mearly opened the file to be transmitted and checked the first 8-12 bytes to
see if any "high bits" were set.

The logic being, if not, it was probably text, if so, binary.

Saved some time and file mangling if the wrong format was used.

So it really didn't matter anymore if you were speaking to a mainframe,
worked just fine with another pc that understood the command.

-bruce
bje@ripco.com