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August 2010, Week 2

HP3000-L@RAVEN.UTC.EDU

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Fri, 13 Aug 2010 12:38:18 -0500
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I don't need Openseas, nor Epul, and Samba is optional, only an added 
feature to allow Windows printing into the CUPS ques.

Points 1, 2, and 3 below is exactly what I was thinking, after I read 
your first post!
It is simple, and if addition massaging of print files is needed, the 
CUPS server is equipped with many powerful scripting tools, regexp, 
awk/sed, and tcl.

Using SCP to copy printfiles between the local CUPS server and the 
remote CUPS server should be very efficient, and the remote CUPS server 
can be anywhere in the world, anywhere that supports an internet 
connection. So, from the HP3000 spooler, you'll be able to print 
anywhere in the world, after setting up local and remote CUPS servers. 
And MPE will just think they are normal Jetdirect printers.

In Unix, you can use the |scp| command to copy files and directories 
securely between remote hosts without starting an FTP session or logging 
into the remote systems explicitly. The |scp| command uses SSH to 
transfer data, so it requires a password or passphrase for 
authentication. Unlike |rcp| or FTP, |scp| encrypts both the file and 
any passwords exchanged so that anyone snooping on the network can't 
view them.

This weekend I am going to attempt to find the time to setup a test with 
two CUPS servers using scp, connected through the cloud, and setup a 
NPCONFIG device on MPE to print to it.

**
Charles Finley wrote:
> I'm not sure why you need samba or OpenSeas. 
>
>  
>
> You actually have a simpler problem than I thought.  Since you are simply
> planning on using the Linux/CUPS machine as a store and forward message
> server you could do the following:
>
>  
>
> 1.    Setup a CUPS server on each IP address you can give the Linux
> computer.  There are ways to assign more than one.  One way to cheat is to
> pretend you have a multiport JetDirect.  I may be out of date, but the last
> multiport one I worked on had TCP ports 9100,0102, and 9103.  If you can get
> enough TCP/Port IP address combinations to satisfy all of your printing
> needs you may not need to do any programming.  For example 4 IP addresses =
> 4x3 separate "printers".  I haven't confirmed this but if you can make each
> of those represent a separate Queue on the Linux computer you can assign one
> to each real printer.
>
> 2.    Configure each Queue on the HP 3000 and print to it just as you would
> any network connected printer.
>
> 3.    On the Linux end, simply configure each real printer to match each
> queue.  Then I believe you're done. 
>
>  
>
> If you can't do the above, you can send all of the output to one pretend
> JetDirect address and create a little intercept filter to separate the
> output to each real queue. 
>
>  
>
> Charles Finley
>
> (619) 795-0720
>
>  
>
> -----Original Message-----
> From: Michael [mailto:[log in to unmask]] 
> Sent: Friday, August 13, 2010 9:20 AM
> To: [log in to unmask]
> Subject: Re: Remote printing issues
>
>  
>
> Remote printing to Zebra and HP printers, from the HP3000 application, 
>
> directly into a client company's network, where the output needs to be 
>
> physically printed, is the focus. Converting to a common format like PDF 
>
> is only a means to get there, not the main focus. That said, having 
>
> something that looks like a Jetdirect printer to the HP3000 is key! My 
>
> thinking is that something that looks like a Jetdirect printer could be 
>
> a CUPS print server. Then using CUPS in combo with Samba, and maybe SCP, 
>
> will make the network connectivity issues easier to resolved, and enable 
>
> the possibly of sending the output directly to the remote printer 
>
> without any user intervention.
>
>  
>
> I appreciate all the input and various methods to convert output, and I 
>
> espeacially like the term "sucked off the HP" that John mentioned. The 
>
> Openseas solutions is interesting for the fact that they have already 
>
> migrated to HPUX, but still use the 3000 to convert output. The idea of 
>
> making the HP3000 think that a unix server is a Jetdirect printer, as 
>
> Charles mentioned, is a key piece to achieve my goal.
>
>  
>
> I'll keeps you guys posted on what I end up doing. On the subject 
>
> converting output I came across an interesting Samba configuration:
>
> The Samba entry:
>
> [pdfprinter]
>
>         path =<nobr> <wbr></nobr>/tmp
>
>         printer admin = @ntadmin, @administrators
>
>         create mask = 0700
>
>         guest ok = Yes
>
>         printable = Yes
>
>         printer name = PDFPrinter
>
>         printing = lprng
>
>         cups options =
>
>         print command =<nobr> <wbr></nobr>/home/pdfprinter/pdfconvert %s %U
>
>         lpq command = lpq -P'%p'
>
>         lprm command = lprm -P'%p' %j
>
>         lppause command = lpc hold '%p' %j
>
>         lpresume command = lpc release '%p' %j
>
>         queuepause command = lpc stop '%p'
>
>         queueresume command = lpc start '%p'
>
>  
>
> The script to do the work:
>
> #!/bin/sh
>
>  
>
> # pdfconvert
>
> # Date Modified: 12/06/2005
>
>  
>
> #
>
> # Converts text input from a Samba print Spool into a PDF
>
> #  then saves that pdf into the users home directory.
>
> #
>
> # Input: Arg 1 = Spool File Name (Provided by sabma)
>
> #        Arg 2 = Username of person printing (Provided by sabma)
>
> #
>
> # Output: Produces a Pdf version of the text input
>
> #          named for the user, and the date/time
>
> #          the job was printed.  Thne places that
>
> #          file in the users home directory in
>
> #          a subdirectory called pdf.  If that
>
> #          directory is not there it is created.
>
> #
>
> # Requires: date, enscript, ps2pdf, mv, rm, cat, mutt
>
> #
>
>  
>
> # Retrieve the name of the spool file provided by samba
>
> SPOOLFILE=`echo $1`
>
>  
>
> # Get the date and time of execution
>
> #  Month Abbr Number of Day, Hours Minutes Seconds
>
> DATE=`date +%b%d-%H%M%S`
>
>  
>
> # Retrieve the Username of the person who printed the job
>
> UN=`echo $2`
>
>  
>
> # File name to be used
>
> FILENAME=${UN}-${DATE}
>
>  
>
> # Set the paths needed for execution
>
> OUTDIR=/home
>
> TEMPDIR=/tmp
>
> #          the job was printed.  Then places that
>
> #          file in the users home directory in
>
> #          a subdirectory called pdf.  If that
>
> #          directory is not there it is created.
>
> #
>
> # Requires: date, enscript, ps2pdf, mv, rm, cat, mutt
>
> #
>
>  
>
> # Retrieve the name of the spool file provided by samba
>
> SPOOLFILE=`echo $1`
>
>  
>
> # Get the date and time of execution
>
> #  Month Abbr Number of Day, Hours Minutes Seconds
>
> DATE=`date +%b%d-%H%M%S`
>
>  
>
> # Retrieve the Username of the person who printed the job
>
> UN=`echo $2`
>
>  
>
> # File name to be used
>
> FILENAME=${UN}-${DATE}
>
>  
>
> # Set the paths needed for execution
>
> OUTDIR=/home
>
> TEMPDIR=/tmp
>
>  
>
> # Save the full paths to the needed programs
>
> PCL6=`which pcl6`
>
>  
>
> # Save the spool file into a text file
>
> cat $TEMPDIR/$SPOOLFILE > $TEMPDIR/$FILENAME.pcl
>
>  
>
> $PCL6 -sDEVICE=pdfwrite -sOutputFile=$TEMPDIR/$FILENAME.pdf 
>
> $TEMPDIR/$FILENAME.pcl
>
>  
>
> # Move the pdf file to the users home directory
>
> #  if the pdf directory exists.
>
> if [ ! -d $OUTDIR/$UN/pdf ]
>
> then
>
>         mkdir $OUTDIR/$UN/pdf
>
> fi
>
>  
>
> mv $TEMPDIR/$FILENAME.pdf $OUTDIR/$UN/pdf/$FILENAME.pdf
>
>  
>
> # Remove all temp files and the spool file
>
> rm $TEMPDIR/$FILENAME.pcl
>
> rm $TEMPDIR/$SPOOLFILE
>
> rm $TEMPDIR/$FILENAME.pdf
>
>  
>
> </tt>
>
>  
>
> # <http://www.linux.com/archive/?module=comments&func=display&cid=1161740>
>
>  
>
>  
>
>  
>
> Thanks again,
>
> Mike.
>
>  
>
>  
>
> Charles Finley wrote:
>
>   
>> I'm not sure we're communicating.  Here are the issues:
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> 1)    You need to create what the HP 3000 thinks is a network printer to
>>     
>
>   
>> which the HP 3000 will send its output.  So, in this case you need to
>>     
>
>   
>> configure the Linux computer to look like a JetDirect box to the HP 3000.
>>     
>
>   
>> This means that you need a way to have something listen on TCP port 9100
>>     
> and
>
>   
>> accept raw data from the HP 3000.
>>     
>
>   
>
>   
>> 2)    You need to strip out and/or convert CCTL characters to standard
>>     
> ASCII
>
>   
>> print controls.  Therefore, you need an intercept program that processes
>>     
> the
>
>   
>> raw data you get from the HP 3000.
>>     
>
>   
>
>   
>> 3)    You need to alter your report programs so that there are some tags
>>     
> in
>
>   
>> each report identifying which customer it belongs to.  Your filter program
>>     
>
>   
>> needs to read the tags in the report. 
>>     
>
>   
>
>   
>> 4)    You need some sort of text to PDF conversion software that will take
>>     
>
>   
>> the HP 3000 reports and convert them to PDF.
>>     
>
>   
>
>   
>> 5)    You need either a web application that will restrict users to
>>     
> certain
>
>   
>> directories based on their login or you could even do it without a web
>>     
>
>   
>> application. This should be simple enough because you can give each user a
>>     
>
>   
>> unique Linux user account. 
>>     
>
>   
>
>   
>> 6)    You need some sort of directory browsing application.  You could
>>     
> even
>
>   
>> let the customers use Reflection with its file transfer capability. 
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> Essentially, it can be done with simply having one program that does:
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> 1)    Listens on port 9100
>>     
>
>   
>
>   
>> 2)    Does the CCTL conversion
>>     
>
>   
>
>   
>> 3)    Reads the tags in the report and places the report in a specific
>>     
> user
>
>   
>> account based on the tag.
>>     
>
>   
>
>   
>> 4)    Converts text to PDF
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> Once all of the print output is in PDF, you do not need to address their
>>     
>
>   
>> printers.  Therefore, you do not need to print to their printers at all.
>>     
>
>   
>> They will be able to print from any printer at their own site.   
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> In its simplest form it is approximately than 40 hours of work and a
>>     
> vanilla
>
>   
>> Linux computer. 
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> Charles Finley
>>     
>
>   
>
>   
>> (619) 795-0720
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> -----Original Message-----
>>     
>
>   
>> From: Michael [mailto:[log in to unmask]] 
>>     
>
>   
>> Sent: Thursday, August 12, 2010 5:11 PM
>>     
>
>   
>> To: [log in to unmask]
>>     
>
>   
>> Subject: Re: Remote printing issues
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> Thanks Charles, now the wheels are turning!
>>     
>
>   
>
>   
>> Is there better way to skin this cat?
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> I could setup a Linux box, and use CUPS with shared JetDirect Printers 
>>     
>
>   
>
>   
>> attached to it.
>>     
>
>   
>
>   
>> CUPS is open source, I could even modify it for my own selfish needs, 
>>     
>
>   
>
>   
>> and has a spooler Web interface, not sure about the user level security 
>>     
>
>   
>
>   
>> but that should not be too difficult.
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> Thanks again,
>>     
>
>   
>
>   
>> Michael.
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> Charles Finley wrote:
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> This is not off-the-shelf.  
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> What we did for two different customers in a similar situation is sent
>>>       
> all
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> printed output via network printing to an intermediate server, in their
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> cases a Windows servers.  On the Windows server the HP 3000 generated
>>>       
> text
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> output is converted to PDF.  In each case, the printed reports contain
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> customer identifying tags. The output on the Windows server is placed in
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> customer specific directories.  
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> One customer allows their end users to access their own specific folders
>>>       
>
>   
>>>     
>>>       
>
>   
>> on
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> the Windows computer.  The second customer wrote their own Web
>>>       
> application
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> to allow customers to view the reports and upload only what they want to
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> print.  
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> We have done similar thing on UNIX and Linux but never with the web front
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> end. 
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> If I had to do it today, I would use a Linux computer because the
>>>       
> software
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> to convert text reports to PDF's is free on Linux or UNIX.  Our customers
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> paid someone a hefty price for the Windows software to do the same thing.
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> Of course the most recent one we did was 5 years ago so all of that might
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> have changed. 
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> The magic is to use the target server as an JetDirect connected and then
>>>       
>
>   
>>>     
>>>       
>
>   
>> to
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> send all output from the HP 3000 to what it thinks is a JetDirect printer
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> (port 9100).  The HP 3000 already knows how to do this. We created this
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> illusion with software on the Windows computer. That way we needed no
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> additional software on the HP 3000.   The UNIX environments that we did a
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> similar thing with did not involve an HP 3000 since it was all done for
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> clients who we migrated to various forms of UNIX. 
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> Since our custom JetDirect pretender was written in Visual Basic. I
>>>       
>
>   
>>>     
>>>       
>
>   
>> suppose
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> if we had to do it today we would re-implement the same thing in JAVA
>>>       
>
>   
>>>     
>>>       
>
>   
>> which
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> is probably only a few hours work. BTW, don't forget the JetDirect
>>>       
>
>   
>>>     
>>>       
>
>   
>> pretender
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> needs to know how to read the tags in the printed reports so that is
>>>       
>
>   
>>>     
>>>       
>
>   
>> stores
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> the generated PDF in a specific folder. 
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> I almost forgot that one of the two Windows customers had us update a SQL
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> Server database with the location of each file that we placed on their
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> server.  The web application they built accesses the SQL server database.
>>>       
>
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> Building a web application that only allows a user to access specific
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> directories on a computer should be a relatively simple application.  It
>>>       
>
>   
>>>     
>>>       
>
>   
>> may
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> even be available free somewhere. 
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> So in conclusion, it can be done with mostly off-the-shelf open source
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> stuff. But someone still need to do a little programming.  
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> Hope it helps.
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> Charles Finley
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> (619) 795-0720
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
>
>   
>>> -----Original Message-----
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> From: Michael [mailto:[log in to unmask]] 
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> Sent: Thursday, August 12, 2010 4:17 PM
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> To: [log in to unmask]
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>>> Subject: Remote printing issues
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
>
>   
>
>   
>>   
>>     
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>>> Once again I need to tap into the endless knowledge of the experts on 
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>>> the HP3000-L, hello everyone.
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>>> I have a need to support "Printing on printers at the remote locations", 
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>>> to multiple client companies from my HP3000. Kind of like the old 
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>>> time-share paradigm. The client companies can access the HP3000 using 
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>>> Telnet/iX, but they need to be able to print from the HP3000 (Telnet 
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>>> session) to their own local printers.
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>>> My initial thought was to add an additional VPN service. Basically I 
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>>> want to "Push" print files to a remote client company printers, but I 
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>>> don't want personnel from the client company to have access to my entire 
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>>> network, and likewise, the client company would NOT want me to have full 
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>>> access to their network. This level of security can be accomplished 
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>>> using a separate VPN service for each client company. Would the HP3000 
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>>> need a 2nd NIC for the VPN, or worse, an addition NIC for each client 
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>>> company. Lots of issues! Just thinking out-loud ;-)
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>>> Another option would be that I "Not allow printing to the remote 
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>>> location", but instead the printfiles on the HP3000 could be retrieved 
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>>> (Pulled from the HP300) using a standard FTP, (with user level security) 
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>>> then printed on their local network. This would resolved most network 
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>>> security issues and not require any additional VPN services, but it 
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>>> would involve some additional programming to be done to modify the way 
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>>> the application prints on the HP3000, print to disc flatfile, convert to 
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>>> rtf or pdf. Then there is also some bar code font issues, jeeesh, the 
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>>> fun never ends.
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>>> Does anyone know of any "canned" software that would help achieve my 
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>>> goal, or perhaps another network strategy?
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>>> All options welcome,
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>>> Michael Anderson.
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>>> * To join/leave the list, search archives, change list settings, *
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>>>     
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>>> * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
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>>>     
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>>> __________ Information from ESET Smart Security, version of virus
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>>>     
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>> signature
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>>> database 5361 (20100812) __________
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>>> The message was checked by ESET Smart Security.
>>>       
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>>>     
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>>> http://www.eset.com
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>>>  
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>>>     
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>>> __________ Information from ESET Smart Security, version of virus
>>>       
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>   
>>>     
>>>       
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>> signature
>>     
>
>   
>
>   
>>   
>>     
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>>> database 5361 (20100812) __________
>>>       
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>>>     
>>>       
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>>> The message was checked by ESET Smart Security.
>>>       
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>>> http://www.eset.com
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>>>     
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>>>  
>>>       
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>>> * To join/leave the list, search archives, change list settings, *
>>>       
>
>   
>>>     
>>>       
>
>   
>
>   
>>   
>>     
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>>> * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
>>>       
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>>>     
>>>       
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>>>   
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>>  
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>> * To join/leave the list, search archives, change list settings, *
>>     
>
>   
>
>   
>> * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> __________ Information from ESET Smart Security, version of virus
>>     
> signature
>
>   
>> database 5361 (20100812) __________
>>     
>
>   
>
>   
>>  
>>     
>
>   
>
>   
>> The message was checked by ESET Smart Security.
>>     
>
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>
>   
>>  
>>     
>
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>
>   
>> http://www.eset.com
>>     
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>>  
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>>  
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>> * To join/leave the list, search archives, change list settings, *
>>     
>
>   
>> * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
>>     
>
>   
>
>   
>>   
>>     
>
>  
>
> * To join/leave the list, search archives, change list settings, *
>
> * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
>
>  
>
> __________ Information from ESET Smart Security, version of virus signature
> database 5364 (20100813) __________
>
>  
>
> The message was checked by ESET Smart Security.
>
>  
>
> http://www.eset.com
>
>  
>
>  
>
>
> * To join/leave the list, search archives, change list settings, *
> * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *
>
>   

* To join/leave the list, search archives, change list settings, *
* etc., please visit http://raven.utc.edu/archives/hp3000-l.html *

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