Existe (obviamente) página de manual para vsftpd.conf
, que é sempre um bom lugar para começar.
Versão TLDR: Eles devem ser necessários apenas para o modo passivo de FTP.
pasv_enable
Set to NO if you want to disallow the PASV method of obtaining a data connection.
Default: YES
pasv_address
Use this option to override the IP address that vsftpd will advertise in response to the PASV command. Provide a numeric IP address, unless
pasv_addr_resolve
is enabled, in which case you can provide a hostname which will be DNS resolved for you at startup.Default: (none - the address is taken from the incoming connected socket)
pasv_addr_resolve
Set to YES if you want to use a hostname (as opposed to IP address) in the
pasv_address
option.Default: NO