HP 630n HP Jetdirect Print Servers - Administrator's Guide - Page 176

Data connection, FTP login

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supports up to four simultaneous control connections (or FTP sessions). If the number is exceeded, a service not available message is displayed. FTP control connections use TCP port 21. Data connection A data connection is created each time a file is transferred between the client and the FTP server. The client controls the creation of a data connection by issuing the commands that require a data connection (such as FTP ls, dir or put commands). Although the ls and dir commands are always accepted, the HP Jetdirect FTP server supports a single data connection for printing. The transmission mode for an FTP data connection with the HP Jetdirect print server is always in stream mode, which marks the end-of-file by closing the data connection. Once a data connection is established, the file transfer type (ASCII or binary) is specified. Clients attempt to auto-negotiate a transfer type. The default transfer type depends on the client system. For example, UNIX might default to binary. To specify the transfer type, enter the bin or ascii command at the FTP prompt. FTP login To start an FTP session, enter the following command from an MS-DOS or UNIX command prompt: ftp In the example, is the valid IP address or node name configured for the HP Jetdirect print server. Figure B-1 FTP Login Example If the connection succeeds, a Ready message is displayed. You are then prompted for a login name and password. The default is the client's login name. The HP Jetdirect FTP server allows any user name, and passwords are ignored. 166 Appendix B FTP printing ENWW

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supports up to four simultaneous control connections (or FTP sessions). If the number is exceeded, a
service not available message is displayed.
FTP control connections use TCP port 21.
Data connection
A data connection is created each time a file is transferred between the client and the FTP server. The
client controls the creation of a data connection by issuing the commands that require a data connection
(such as FTP ls, dir or put commands).
Although the ls and dir commands are always accepted, the HP Jetdirect FTP server supports a single
data connection for printing.
The transmission mode for an FTP data connection with the HP Jetdirect print server is always in stream
mode, which marks the end-of-file by closing the data connection.
Once a data connection is established, the file transfer type (ASCII or binary) is specified. Clients attempt
to auto-negotiate a transfer type. The default transfer type depends on the client system. For example,
UNIX might default to binary. To specify the transfer type, enter the
bin
or
ascii
command at the FTP
prompt.
FTP login
To start an FTP session, enter the following command from an MS-DOS or UNIX command prompt:
ftp <ipaddress>
In the example, <ipaddress> is the valid IP address or node name configured for the HP Jetdirect print
server.
Figure B-1
FTP Login Example
If the connection succeeds, a Ready message is displayed.
You are then prompted for a login name and password. The default is the client's login name. The
HP Jetdirect FTP server allows any user name, and passwords are ignored.
166
Appendix B
FTP printing
ENWW