Hello Matias.A Here is a link to a kb that maybe of assistance. [URL]
Hello  Hi I am getting this error when I try to connect to my ftp my Unity settings ver 5.2Have Nas Server ok, sharing protocols>>Enable FTP>>>Allow SMB users >>Allow UnixAllow user>>>xxxAllow host>>>192.x.x.x.x.x I also configured the LDAP/NIS service, for user authentication, but there is no way it can work.I also checked the ftp client documentation in dell but it doesn't give much information.[URL] I keep getting access denied, do I have to configure something else, what am I not finding? Thank you very much  
Failed to login ftp Acces Denied