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FTP Authorization

FTP Authorization

If your hosting package allows it, you have the ability to customize how your FTP server works.  You can

  • setup an anonymous outgoing FTP server for users to download your files
  • setup an anonymous incoming FTP server to accept large files from customers

and if you have your own IP address with your hosting package you can also

  • limit FTP access to certain hostnames or IP addresses
  • deny certain hostnames or IP addresses access to your FTP server
  • limit anonymous FTP access to certain hostnames or IP addresses
  • deny certain hostnames or IP addresses access to your anonymous FTP server

 Technical Note...

In 2004, anonymous FTP is not as popular as it was several years ago.  This is because web-based file upload/download pages are quickly replacing the older FTP alternatives due to the widespread of high-speed Internet.

Activate Anonymous FTP.  When you activate anonymous FTP, you are creating a special folder that will allow any user to anonymously (requiring no username or password) to FTP to your domain name and have access to all the contents in that folder.  You would place these publicly accessible contents in /var/www/public_html/farley/public_ftp.   Anyone can download files in this folder, but only you, the site owner, can upload files to that folder.

Activate Anonymous Incoming FTP.  An incoming anonymous FTP folder is for users to send you files by FTP.  This creates a special folder on the server where users can upload files, but they cannot see any other files in the folder that have been previously uploaded.  To retrieve these files, FTP to your domain and login as the main user, then go to /var/www/public_html/farley/public_ftp/incoming.

 Helpful Hint...

Although anonymous FTP may not be as popular as it was several years ago, it is still widely used because web-based file upload applications have limits due to browser timeouts.  In addition, many mail servers limit the size of incoming and outgoing messages with attachments.  If you plan to receive large files, incoming anonymous FTP may be your best solution.

Allow access from everywhere except - IP/host based authentication checks the IP or hostname of the client attempting to access the folder or it's contents. Any IP addresses or hostnames in this list will be denied access. Partial IPs and hostnames can be used for a broader match.

Deny access from everywhere except - IP/host based authentication checks the IP or hostname of the client attempting to access the folder or it's contents. Only IP addresses or hostnames in this list will be allowed access. Partial IPs and hostnames can be used for a broader match.

 Technical Note...

Dedicated server users:  you have the ability to enable root logon via FTP.  This will give you root access via FTP to all of your files.  This is not recommend unless you know exactly what you are doing!  Besides being a security risk, you can damage your files and applications by accessing them as root user.

 

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