>
>For example could I pass a session variable(s) such as 
>username / password
>to WS FTP Server - so as to only have authenticated users downloading
>content?
>
>If I use the format
>ftp://username:[EMAIL PROTECTED]/content/file.name
>

When you access most FTP servers in this method you'll find that the
username & password are sent 'in the clear' as part of the header.  Not very
secure if you're afraid of someone sniffing packets leaving your website.
Added to that, anyone can simply write down the username & password by
examining the link and then logging in via a regular FTP session using the
'secure' login details.

I can't say what happens with a secure FTP session.  I imagine that all
depends on the FTP server in use; check out WS_FTP's SSL security, that may
have the answer for you

>I have heard this is not compatible with some browsers. What 
>has been the
>experience in the field?
>

MS Internet Explorer is the worst culprit.  Wonderful HTTP browser but
really sucks at FTP if someone has installed the Browsing Enhancements pack
as part of IE4, 5, or 5.5.  Also, the workarounds to fix it change between
versions (and even minor builds) so much that it becomes a pointless
exercise.  Funnily enough, the Browsing Enhancements was supposed to improve
FTP use....go figure.  Other browsers may also display the username:password
sections of the URL in the address bar without hiding them with asterisks
which is another hindrance to security.

I hope you find this useful.

Chazzozz!!

Michael Shannon
Webmaster
[EMAIL PROTECTED]

"Before you can grow old and wise you must first survive being young and
stupid." - Ancient Proverb

Note: Opinions expressed on this list are my own and do not reflect the
views, opinions or position of my employer.  If swallowed, seek medical
advice.


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