The next time you login to your SFTP account to make
a website change, upload or download you many see a
notice generated by your FTP program.

You might see something like.

@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that a host key has just been changed.

The notification.

When using SFTP (SSH File Transfer Protocol / Secure File Transfer Protocol)
Client FTP programs like Transmit, YummyFTP, CyberDuck, Fetch and many
others will report that there may be a problem with connecting to the server
when the "Key" for identification of the server has changed and the program
warns you.

The problem.

OS X does not tend to allow you to overwrite the stored key and allow you to
connect to the server after the warning. Windows does not seem to have this
issue.

The solution.

1) Go to the "Go" menu in the finder.

2) Choose "Go to Folder ..."

3) Enter the following pathway   ~/.ssh/  into the field and click "Go"

4) You should now see the "known_hosts" file.

5) Open it with TextEdit or TextWrangler/BBedit

TextWrangler (Free) is best since you can set the lines so they don't wrap.
Go here to get it. http://www.macupdate.com/app/mac/11009/textwrangler

  Note: if you use TextEdit make sure to go to the preferences and change
the program to use/save in "Plain Text" not "RTF"

6) Find the domain (or ip address) that you are working on, or if you don't use anything
specific with ssh then just select all and delete the host keys. They will be recreated
automatically with whatever FTP program you use. If you delete a single key then just
delete the single whole line that it is on. No CR (carriage returns) between lines.

7) Save the file.

8) Login to your SFTP

Please call us if you have any issues getting your FTP program working.

IN-Depth

All servers received an upgrade to FTP/SFTP. This upgrade
should provide faster uploads and the following.

User Updates/Upgrades

MP4 streaming playback in WebInterface with ability to skip to any point in the file.
Users sharing files can automate the attaching of the file into the email.
Shares can have limitations put on the usage of the expiring link allowing a limited
number of uses.
Zip files can be opened, and navigated through all protocols, and individual files can
be downloaded from inside of them.

Server Updates:

More controls for us and numerous upgrades and bug fixes.

SFTP / WebDav Updated with many inhancements.

Server Upgrades:

Faster performance
Many security upgrades (not that it was lacking before - just more of them)
Added multithreaded listing for large folders.
Much faster update on changed file or folder permissions.
Added ability to have uploads auto start.

FTP Web Interface Upgrades:

Improved advanced upload mode for WebInterface.
Added media preview for slideshows
WebInterface supports HTML5 drag and drop for file uploads.

We have finished the new interface and connectivity to the new FTP server software.
Updates are now immediate. You now have complete control over permissions,
sub-folder pathways, enable/disable accounts, and passwords.

We are also introducing our new Ajax-driven FTP web interface. This allows you
to upload and download files via our control panel.

We hope you like it!