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5 April 1997. Notes on the SRE-FILTER 1.2i WWW server
SRE-FILTER is a "filter" for the free, GoServe IBM EWS Internet Server.
It is designed to work with OS/2 Warp (3 or 4), and with
GoServe 2.45+. It will work under OS/2 2.11, but it uses the Warp
version of the REXXUTIL library (which contains some routines not in the
OS/2 2.1x version). In other words:
If you use GoServe under OS/2 2.11, or with earlier versions
of GoServe (prior to 2.45),you might have sporadic problems!
Installation notes:
1) Obtain and install GoServe.
2) Unzip SREFV12I.ZIP to an empty, temporary directory...
(you can use UNZIP, a recent copy of which is on the SRE-Filter home page)
3) Open an os/2 window
4) CD to this temporary directory
5) Run INSTALL.CMD. You will be asked for a variety of
directories. You will also be asked for your IP address
(it's optional). Furthermore, you will be given the opportunity to
set a few parameters -- though you can always modify them later.
If you are reinstallating SRE-FILTER:
INSTALL will ask if you want to archive the (potentially) user-
configurable files. We recommend selecting this option.
If INSTALL detects a pre-existing file, it will ask you if
you want to overwrite it. For some "configuration" files
if will ask you twice!
6) Change your default filter (in GoServe) to be SREFILTR.80
Alternatively, the SREFQUIK.80 filter can be used (see
the documentation for a discussion of the performance
differences of these two filters).
7) After INSTALL is done, and assuming you were able to choose the defaults,
point your browser at http://your.server.whereever/index.htm
This SRE-Filter home page contains a number of useful links
to documentation, demos, and configuration tools. Of particular
interest is the users-guide, and the configurator.
The users guide (GUIDE.HTM) outlines the capabilites of SRE-Filter, and
points to further help. It's a good place to start ...
The configurator (which can also be accessed via
http://your.server.whereever/CONFIGUR.HTM)
has three modes: simple, intermediate, and expert.
New users will probably be most comfortable with the simple mode.
Notes:
* For the latest version of SRE-Filter, fix packs, and add-ons --
visit the SRE-Filter home page at http://rpbcam.econ.ag.gov/srefilter
* You can get the latest copy of GoServe (currently 2.50) from:
http://www2.hursley.ibm.com/goserve/
* If GoServe won't let you in (because it can't find a filter), you can
add "FILTER SREFILTR" (without the quotes) to the
GoServe WPS object (the icon's) "parameters" option.
* SRE-Filter ver 1.2i will NOT run under Object Rexx. There
is a (now aging) version of ver 1.2g that will run under Object Rexx
(see the SRE-Filter home page for details).
* If you have relatively simple demands, the simple mode configurator
may be adequate for all your needs. Conversely, if you want to
optimize SRE-Filter's performance, you will probably want to
use the intermediate, or expert, mode.
* INTRO.DOC contains a 1 page summary of SRE-Filter's capabilites.
* Upgraders from prior versions of SRE-Filter should read CHANGES.DOC
* SREFILTR.FAQ contains answers to some frequently asked questions.
* The SRE-Filter "web-accessible manual" is SREFILTR.HTM.
* For optimization hints, and a complete description of the user
configurable parameters, see INITFILT.DOC
* The various .IN and .CTL files that come with SRE-FILTER contain
descriptons, and examples, of how to set up these "username,
URL access control, etc." files.
* SRE-FILTER uses "OS/2 macro space" to store frequently
used routines, and uses queues and semaphores for inter-thread
communication. To do this, the REXXLIB library is used.
Although you have free rights to use REXXLIB with SRE-FILTER,
if you intend to use REXXLIB for something other then SRE-FILTER,
you should obtain the REXXLIB package from
http://www.quercus-sys.com/rexxlib.htm.
* Several of the functions used by GoServe requires RxSock.DLL --
the Rexx Sockets Support library. It should be in your LIBPATH
(it is usually in your \TCPIP\DLL directory).
* Several of SRE-Filter's facilities (i.e.; GETAFILE and !DIR) use
Info-Zip's UNZIPAPI.DLL dynamic link library. It's free GNU-ware.
Acknowledgements:
> Don Meyer, author of the GoHTTP filter, was very gracious
in allowing me to "build on his work". In particular,
much of the source code for HTACCESS file access-controls,
CGI-BIN script processing, and image map processing was adapted
from his code.
> Derek Sims (author of the IntrFilt filter) for helpful advice
regarding multi-host servers.
> Charles Daney for providing the REXXLIB library at a very reasonable
price.
> Dave Briccetti for providing the "SMTP using socket calls" code.
> Ariel L. Szczupak for advice on working with queues and semaphores.
> Richard Hughes for useful thoughts on discussion group software
> The people at the INFO-ZIP project, for providing the UNZIPAPI
dynamic link library.
> the several early adopters (may they rest in peace) for their
patience in dealing with stupid bugs
> several individuals (mm, dr, sr, et al) for good suggestions that
are now realities
> .... and (of course) Mike Cowlishaw for creating GoServe, and always
finding time to try and answer.
Questions? Contact Daniel Hellerstein : DANIELH@ECON.AG.GOV
------------------------------
Basic copyright and it's never our fault disclaimer:
Copyright 1996,1997 by Daniel Hellerstein. Permission to use this program
for any purpose is hereby granted without fee, provided that
the author's name not be used in advertising or publicity
pertaining to distribution of the software without specific written
prior permision.
With some proviso, this includes the right to subset and reuse the code,
with proper attribution The provisos are several fold:
1) Portions of the code are adapted from other authors' work
(these are noted where appropriate); you'll need to contact these other
authors for appropriate permissions.
2) SRE-Filter uses Quercus System's REXXLIB procedure library. The
license for REXXLIB gives the author the right to distribute REXXLIB
without charge. This right may NOT extend to redistributors.
Please contact Quercus Systems for details.
SRE-Filter also uses Info-Zip's UNZIPAPI. Although this is freely
available software, you may wish to contact Info-Zip for details.
3) We, the authors of SRE-Filter and any potentially affiliated institutions,
disclaim any and all liability for damages due to the use, misuse, or failure of
the product or subsets of the product.
Furthermore you may also charge a reasonable re-distribution fee for
SRE-Filter; with the understanding that this does not remove the
work from the public domain and that the above provisos remain in effect.
THIS SOFTWARE PACKAGE IS PROVIDED "AS IS" WITHOUT EXPRESS
OR IMPLIED WARRANTY.
THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE PACKAGE,
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
IN NO EVENT SHALL THE AUTHOR (Daniel Hellerstein) OR ANY PERSON OR
INSTITUTION ASSOCIATED WITH THIS PRODUCT BE LIABLE FOR ANY
SPECIAL,INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
OF CONTRACT,NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE PACKAGE.
SRE-FILTER was developed on the personal time of Daniel Hellerstein,
and is not supported, approved, or in any way an official product
of my employer (USDA/ERS).