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Chapter 37

Working With Remote Systems (Overview)

This section includes information on working with remote files.

What Is the FTP Server?

The FTP Server is based on wu-ftpd. Originally developed by Washington University in Saint Louis, wu-ftpd is widely used for distribution of bulk data over the Internet and is the preferred standard for large FTP sites. For information on the licensing terms, refer to the materials that are incorporated at /var/sadm/pkg/SUNWftpu/install/copyright.

What Is a Remote System?

For the purpose of this chapter, a remote system is a workstation or server that is connected to the local system with any type of physical network and configured for TCP/IP communication.

On systems running the Solaris 9 release, TCP/IP configuration is established automatically during startup. For more information, see System Administration Guide: IP Services.

What's New for the Solaris 9 FTP Server?

The FTP Server is compatible with Solaris 8 FTP software, yet offers new capability with improved performance for Solaris 9 users.

Table 37-1 What's New for the Solaris 9 FTP Server

Feature	Description	For Information
User classification by type and location	Permits you to define a class of users, based on type and address	How to Define FTP Server Classes
Limits per class	Controls the number of users from a certain class who are allowed simultaneous login, based on limits that are set in the `ftpaccess` file	How to Set User Login Limits
System-wide and directory-related messages	Displays the messages that you specify for particular events	How to Create Messages to Be Sent to Users
Upload permissions per directory	Allows you to control uploads to the FTP Server, including file and directory creation and permissions	How to Control Uploads to the FTP Server
File name filter	Enables you to specify which characters, in what sequence, are acceptable in the name of an uploaded file	How to Control Uploads to the FTP Server
Virtual host support	Permits you to configure the FTP server to support multiple domains on a single machine	How to Enable Complete Virtual Hosting
Command logging	Allows logging of commands that are executed by real, guest, and anonymous FTP users	How to Check the Commands Executed by FTP Users
Transfer logging	Allows logging of transfers for real, guest, and anonymous FTP users	`ftpaccess`(4), `xferlog`(4), `in.ftpd`(1M)
As-needed compression and archiving	Allows as-needed compression and archiving by using conversions that are specified in the `ftpconversions` file	`ftpconversions`(4), `ftpaccess`(4)

Note - The Solaris 8 /etc/default/ftpd is not supported in the Solaris 9 release. During upgrade, BANNER and UMASK entries are converted to their wu-ftpd equivalents. However, the system administrator might need to manually convert some BANNER lines for the equivalent ftpaccess greeting capability. For further information, see ftpaccess(4).

Note - The sublogin feature that is provided by the Solaris 8 FTP Server is not supported by the Solaris 9 FTP Server.

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