[squid-users] FTP Access

Hi
When i try to access the ftp site it gives this kind of error.
This site uses user authentication ,
How to access this site through proxy.
Any help will be appreciated

Thanks and Regards
Shardul

                                           ERROR

The requested URL could not be retrieved
    ________________________________________________________________________________

  An FTP authentication failure occurred while trying to
retrieve the URL:
  ftp://ftp.vnuusa.com/

  Squid sent the following FTP command:

PASS

  and then received this reply

User anonymous cannot log in.
Received on Mon Sep 20 2004 - 08:22:07 MDT