Here's the ioinfo.txt file:

<--- 220 ProFTPD 1.2.1 Server (RSA Security Inc. ftp
server) [ftp]
---> USER anonymous
<--- 331 Anonymous login ok, send your complete email
address as your password.
---> PASS user@
<---  
---> QUIT
<---    All login activity is monitored. 


And this is what Ethereal sees:

220 ProFTPD 1.2.1 Server (RSA Security Inc. ftp server)
[ftp]
USER anonymous
331 Anonymous login ok, send your complete email
address as your password.
PASS user@
230-Hello, you are logged into ftp.rsasecurity.com.  
 
   All login activity is monitored. 
 
   If you have any problems using this site please send
   email ftpadmin@rsasecurity.com.
 
 
230 Anonymous access granted, restrictions apply.
QUIT