In this message, the number 21 has been added after the name of the web server in the FTP location. The number after the server name is the port number the FTP server is using. The port number specifies where the service is running on the server. The publishing process will not be effected in any way by the presence of the number 21 in this dialog box. The number specifies that the FTP service is running on port 21 on the server.
Most web services use a port number to carry out communications.
For example, the default port for the HTTP service on a web server is 80. The dialog box only states the port number for informational purposes and will not affect the publishing process in any way. All rights reserved. Terms of Use. No Did not apply Please provide additional comments about this information.