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=== Setting up A FTP Server on Debian ===
 apt-get install proftpd
Choose the "Standalone" Version.

After the installation the server will be running, and will grant access to all user accounts upon the host.

The config file is in /etc/proftpd.conf
 DefaultRoot ~
 // This causes all users to be presented with the contents of their home directory
 <br>
 DefaultRoot /direct_path/folder user 
 //This overrides the default above.
 <br>
 RequireValidShell       on|off


==== mod_delay ====
By default, proftpd has mod_delay enabled. It automatically works when people start downloading too much data too fast etc. This however can be a nuisance sometimes if you are downloading a lot of files etc. The ftp client program may return a 502 error saying some temporary error (which is caused by mod_delay) and can make continuation of ftp downloads painful. To disable mod_delay on proftpd:
 vi /etc/proftpd.conf
 //insert the following lines:
 
   <IfModule mod_delay.c>
    DelayEngine off
  </IfModule>

That should do it. Info got from: http://www.castaglia.org/proftpd/modules/mod_delay.html


==== Bandwidth Speed Limiting for FTP ====
If a user wants to limit their own ftp download from their account on a ftp server, they can do the following:
 cd ~/
 vi .ftpaccess
 TransferRate RETR 20 user sburke
 #where 20 = 20KB max, and sburke = username

If an admin wants to limit a user, they can do the following:
 vi /etc/proftpd/proftpd.conf
 <Global>
 TransferRate RETR 20 user sburke
 </Global>
Ref: http://www.linuxquestions.org/questions/showthread.php?t=211807


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More Info on:

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http://www.debian-administration.org/articles/228