papowell@astart.com
AStArt Technologies addr
9475 Chesapeake Dr, Suite D,
San Diego, CA 92123
Phone 858-874-6543
Fax 858-279-8424
Copyright © 1996, 1997, 1998, 1999, 2000 by Patrick Powell
The LPRng software is an enhanced, extended, and portable implementation of the Berkeley lpr print spooler functionality. While providing the same interface and meeting RFC1179 requirements, the implementation is completely independent and provides support for the following features: lightweight (no databases needed) lpr, lpc, and lprm programs; dynamic redirection of print queues; printer pooling and load balancing; automatic job holding; highly verbose diagnostics; client programs do not need to run SETUID root; greatly enhanced security checks; load balancing across multiple printers; and a greatly improved permission and authorization mechanism. The source software compiles and runs on a wide variety of UNIX systems, and is compatible with other print spoolers and network printers that use the lpr interface and meet RFC1179 requirements.
The companion ifhp print filter is used with the LPRng to provide hardware level support for PostScript, PCL, text, and other printers. The ifhp filter also provides diagnostic and error information as well as accounting information.
The LPRng distribution also has a set of easily customizable programs to produce banner pages for job identification. The SVR4 lp and lpstat functionality is provided by a set of emulator programs, and LPRng can be easily integrated with the Samba SMB support package. For users that require secure and/or authenticated printing support, LPRng supports Kerberos 5, MIT Kerberos 4 extensions to LPR, PGP, and simple MD5 based authentication. Additional authentication support is extremely simple to add.
Important: THIS DOCUMENTATION AND THE DESCRIBED SOFTWARE IS PROVIDED BY THE AUTHORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Next | ||
Preface |