FTP Server Enhancements

This feature is new in the Software Express pilot program. This feature is included in the Solaris 10 3/05 release.

Scalability and transfer logging enhancements have been made to the FTP server including:

• The sendfile() function is used for binary downloads.

• New capabilities are supported in the ftpaccess file:

  • flush-wait controls the behavior at the end of a download or directory listing.

  • ipcos sets the IP Class of Service for either the control or data connection.

  • passive ports can be configured so that the kernel selects the TCP port to listen on.

  • quota-info enables retrieval of quota information.

  • recvbuf sets the receive (upload) buffer size that is used for binary transfers.

  • rhostlookup allows or disallows the lookup of the remote host's name.

  • sendbuf sets the send (download) buffer size that is used for binary transfers.

  • xferlog format customizes the format of the transfer log entry.

• A new -4 option makes the FTP server only listen for connections on an IPv4 socket when running in standalone mode.

The FTP client and server now support Kerberos. For more information, refer to the ftp(4) man page and to “Kerberos User Commands” in the System Administration Guide: Security Services.

In addition, ftpcount and ftpwho now support the -v option, which displays user counts and process information for FTP server classes that are defined in virtual host ftpaccess files.

For further information about these changes, see the following man pages:

• in.ftpd(1M)

• ftpaccess(4)

• ftpcount(1)

• ftpwho(1)

• sendfile(3EXT)