I'm using Nessus 1.0.10...I keep receiving this ftp vulnerability after I upgraded to
ProFTPd 1.2.2 as the solution recommendeded...and even after
upgrading to proftpd 1.2.5rc1???

 . Vulnerability found on port ftp (21/tcp) :
 

 
    The remote FTP server seems to be vulnerable to an exhaustion
    attack which may makes it consume all available memory on the remote
    host when it receive the command :
 
        NLST /../*/../*/../*/../*/../*/../*/../*/../*/../*/../
 
 
    Solution : upgrade to ProFTPd 1.2.2 if the remote server is proftpd,
    or contact your vendor for a patch.
    Risk factor : High

 . Warning found on port ftp (21/tcp)
 

    The FTP service allows anonymous logins. If you do not
     want to share data with anyone you do not know, then you should deactivate
     the anonymous account, since it can only cause troubles.
     Under most Unix system, doing :
        echo ftp >> /etc/ftpusers
     will correct this.
 
     Risk factor : Low
    CVE : CAN-1999-0497

 . Information found on port ftp (21/tcp)
 

    Remote FTP server banner :
     proftpd 1.2.5rc1 server (proftpd - bell canada restricted access)
 

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