HOWTO: vsftpd's Virtual User Use Local Privileges

If you are using vsftpd with virtual users, as described in official example, and are suffering problems like this:

226 Transfer done (but failed to open directory).

(you may see above text in client or server log), you may consider using "virtual_use_local_privs".

Per study of cpdohert, if you want vsftpd's virtual user follow local privileges, you have to use:

virtual_use_local_privs=YES