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Solving problems with file transfer protocol (ftp) – Apple Mac OS X Server (version 10.2.3 or later) User Manual

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File Services

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User Can’t Log in to the Windows Server

m If you are using Password Server to authenticate users, check to make sure that it is

configured correctly. See “Setting Up an Open Directory Domain and Password Server”
on page 71.

m If you have user accounts created in a previous version of Mac OS X Server (version 10.1

or earlier) that are still configured to use Authentication Manager, make sure that
Authentication Manager is enabled. Then reset the passwords of existing users who will
be using Windows services. Reset the user’s password and try again. For information on
how to use the command line-utilities to configure Authentication Manager., see “Setting
Up Authentication Manager” on page 618.

Solving Problems With File Transfer Protocol (FTP)

FTP Connections Are Refused

m Verify that the user is entering the correct DNS name or IP address for the server.

m Make sure FTP service is turned on.

m Make sure the user has appropriate access privileges to the shared volume.

m See if the maximum number of connections has been reached. To do this, click the

Networking tab in Server Settings, click FTP, then choose Configure FTP.

m Verify that the user’s computer is configured correctly for TCP/IP. If there doesn’t appear

to be a problem with the TCP/IP settings, use a “pinging” utility to check network
connections.

m See if there is a DNS problem by trying to connect using the IP address of the FTP server

instead of its DNS name. If the connection works with the IP address, there may be a
problem with the DNS server.

m Verify that the user is correctly entering his or her short name and typing the correct

password. User names and passwords with special characters or double-byte characters
will not work. To find the user’s short name, double-click the user’s name in the Users &
Groups list.

m See if there are any problems with directory services, and if the directory services server is

operating and connected to the network. For help with directory services, see Chapter 2,
“Directory Services.”

m Verify that IP filter service is configured to allow access to the appropriate ports. If clients

still can’t connect, see if the client is using FTP passive mode and turn it off. Passive mode
causes the FTP server to open a connection to the client on a dynamically determined
port, which could conflict with port filters set up in IP filter service. For a list of common
TCP and UDP ports, see “Port Reference” on page 578.

LL0395.Book Page 277 Wednesday, November 20, 2002 11:44 AM