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PASV Last modified: Friday, May 06, 2005
The data transfer process (DTP) for FTP establishes and manages the data connection.  The DTP can be passive or active. Passive, or PASV, is a command that requests that the server "listen" on a data port (which is not its default data port) and to wait for a connection rather than initiate one upon receipt of a transfer command. Certain FTP servers support both active and passive transfers while other FTP servers only allow active transfers. * [Adapted from RFC 959] See also FTP.
Active FTP vs. Passive FTP This Web page discusses the difference between active and passive FTP and how best to support either or both of them. RFC 959 - File Transfer Protocol This memo is the official specification of the File Transfer Protocol (FTP).	Related Categories File Transfer Internet Protocols Related Terms anonymous FTP download FTP FTP Server Internet upload UUCP