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vrf Network control.

Question asked by VRFuser on Jun 26, 2003

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Hi Vrf,

 I am currently working on a DataLogging system for a 
Environmental lab. I currently control about 60 tests at one time.

I am using VNC to allow users to access the information 
displayed by the program over the local network.

The problem is, that I want to set different levels of access.

I.e 1. Viewing data.
 2. Altering Voltage's & Currents etc.

Has anybody come across a solution to this problem?

Any help or suggestions would be most appreciated.

 Thanks for help in advance

Regards

Gavin Candy.

Quality Engineer.
BHC Components Ltd
20-21 Cumberland Drive
Granby Industrial Estate
Weymouth
DT4 9TE
England

Tel: ++44 1305 830734
Fax: ++44 1305 760670
Email: gavin.candy@bhc.co.uk
website: http://www.bhc.co.uk
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kirk_reed Jun 25, 2003 11:08 PM
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<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns="http://www.w3.org/TR/REC-html40"><head><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"><meta name=ProgId content=Word.Document><meta name=Generator content="Microsoft Word 10"><meta name=Originator content="Microsoft Word 10"><link rel=File-List href="cid:filelist.xml@01C33BFD.66DD2700"><o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="country-region"/><o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="City"/><o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="place"/><o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="Street"/><o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="time"/><o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="address"/><o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="date"/><o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags" name="PersonName"/><style></style></head><body lang=EN-US link=blue vlink=purple style='tab-interval:.5in'><div class=Section1>Gavin,<o:p></o:p><o:p> </o:p>I also use VNC.<spanstyle='mso-spacerun:yes'> We currently use RealVnc <spanclass=GramE>( <a href="http://www.realvnc.com/">http://www.realvnc.com/</a>)from the guy at ATT. I use version3.3.7. I am mentioning it becauseit works better than the previous versions.<spanstyle='mso-spacerun:yes'> For those of you who don’t knowwhat it is, it’s basically a free program similar to Carbon <spanclass=GramE>Copy.<o:p></o:p><o:p> </o:p>I know that VNC allows you to disable theremote keyboard and viewer. Forexample, on the machine you want to restrict access to but give people theability to view the screen, go to the computer and set the options in the ConnectionProperties area of the VNC service. I have the VNC service running on the computer I want to view, and theVNC icon shows up in the lower right hand part of the toolbar. <spanstyle='mso-spacerun:yes'> Right click on it and selctProperties. You will see a checkbox for disabling remote keyboard and pointer.<o:p></o:p><o:p> </o:p>Not sure what to do if you wanted to comein yourself and be able to change things with different levels of access.<o:p></o:p><o:p> </o:p>I have never used it, but VEE has somesort of web services built in. Youcan access your VEE programs remotely. Anybody had any thoughts on setting different levels of access?<o:p></o:p><o:p> </o:p>On my newer testers (we support upwards of200+ computers) we are loading Windows XP. One really fantastic thing with XP is that you can use the built inRemote Desktop Connection program built into XP to log into the XP box (yesfrom any comp with ’95, ’98, NT4, & XP) and use the computer asif you were sitting there at it. Itlocks the screen at the remote computer, but someone there could logon and getyou off. I use it to access mydesktop computer from home, in a hotel (yes with broadband, not dialup!) orwherever. I truly feel I can get toany XP computer on my network. I routinelydevelop VEE on a comp 3000 miles away from me with very slight hesitation (veryuseable!). You can download thefree Remote Desktop client to run from an older version of windows (to log intothe XP box) from Microsoft. It wasjust released recently.<o:p></o:p><o:p> </o:p>I also use “Offer Assistance”from XP to XP computers for helping other people programming VEE on thatcomputer 3000 miles away. It allowsme to use a headset to talk with them (or chatwindow). I can do the programmingwhile they watch or they can take over.<o:p></o:p><o:p> </o:p>VNC has less security than Remote Desktopdoes, but it does have it’s advantages in anyWindows operating system can get to another one. <spanstyle='mso-spacerun:yes'> No limitations there.<o:p></o:p><o:p> </o:p>This is not the exact answer you wanted,but hopefully it can help or spark more online discussion.<o:p></o:p><o:p> </o:p><st1:PersonName>Kirk Reed</st1:PersonName><fontsize=2 color=navy face=Arial><o:p></o:p><o:p> </o:p>Agilent Technologies<o:p></o:p>Kirk_reed@agilent.com<o:p></o:p><o:p> </o:p><spanstyle='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----
From: gavin.candy@bhc.co.uk[mailto:gavin.candy@bhc.co.uk]
Sent: <st1:dateMonth="6" Day="26" Year="2003">Thursday, June 26, 2003</st1:date><fontsize=2 face=Tahoma> <st1:timeHour="12" Minute="24">12:24 PM</st1:time><spanstyle='font-size:10.0pt;font-family:Tahoma'>
To: VEE vrf
Subject: [vrf] Network control.<spanstyle='font-size:12.0pt'><o:p> </o:p><spanstyle='font-size:12.0pt'>
Hi Vrf,

 I am currently working on a DataLogging system for a 
Environmentallab. I currently control about 60 tests at one time.

Iam using VNC to allow users to access the information 
displayedby the program over the local network.

Theproblem is, that I want to set different levels of access.

I.e 1. Viewing data.
 2. Altering Voltage's & Currents etc.

Hasanybody come across a solution to this problem?

Anyhelp or suggestions would be most appreciated.

 Thanksfor help in advance

Regards

GavinCandy.

Quality Engineer.
BHC Components Ltd
<st1:Street><st1:address>20-21 Cumberland Drive</st1:address></st1:Street><fontsize=2 face=Arial>
<st1:City><st1:place>Granby</st1:place></st1:City><fontsize=2 face=Arial> IndustrialEstate
<st1:City><st1:place>Weymouth</st1:place></st1:City><fontsize=2 face=Arial>
DT4 9TE
<st1:country-region><st1:place>England</st1:place></st1:country-region><fontsize=2 face=Arial>

Tel: ++44 1305 830734
Fax: ++44 1305 760670
Email: gavin.candy@bhc.co.uk
website: http://www.bhc.co.uk
--- You are currently subscribed to vrf as: kirk_reed@agilent.com To subscribesend a blank email to "join-vrf@it.lists.it.agilent.com". Tounsubscribe send a blank email to"leave-vrf@it.lists.it.agilent.com". To send messages to this mailinglist, email "vrf@it.lists.it.agilent.com". If you need help with themailing list send a message to "owner-vrf@it.lists.it.agilent.com".<o:p></o:p></div>--- You are currently subscribed to vrf as: rsb@soco.agilent.com To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com". To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com". To send messages to this mailing list, email "vrf@it.lists.it.agilent.com". If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com".</BODY></html>
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VRFuser Jun 26, 2003 12:41 AM
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><META http-equiv=Content-Type content="text/html; charset=us-ascii"><META content="MSHTML 6.00.2800.1170" name=GENERATOR></HEAD><BODY><DIV>Gavin,</DIV><DIV> </DIV><DIV>VNC certainly has its merits and great price, but when trying to set</DIV><DIV>different levels of security, assuming all your machines are Windows</DIV><DIV>based, it's hard to beat pcAnywhere. You can assign different levels</DIV><DIV>of access depending on the user name and password used to access the</DIV><DIV>remote machine. You can even set it up to align the login names with</DIV><DIV>NT/2000/XP login names so you can use your NTFS security settings to</DIV><DIV>allow some users write access while others read only. You can log all</DIV><DIV>access activity to a central PC, like your own, and remotely manage</DIV><DIV>the whole thing. (I assume you use files to keep your Volt and Current</DIV><DIV>settings and not the program itself. I could be wrong.) </DIV><DIV> </DIV><DIV>I've used to monitor and control VEE stations for many years and can</DIV><DIV>recommend it to anyone. Symantec.com usually has an evaluation copy</DIV><DIV>you can play with to see if it meets your needs.</DIV><DIV> </DIV><DIV>Cheers,</DIV><DIV>Mike Groves</DIV><DIV> </DIV><DIV> -----Original Message----- From: gavin.candy@bhc.co.uk [mailto:gavin.candy@bhc.co.uk] Sent: Thursday, June 26, 2003 9:24 AM To: VEE vrf Subject: [vrf] Network control. </DIV><BLOCKQUOTE> Hi Vrf, I am currently working on a DataLogging system for a Environmental lab. I currently control about 60 tests at one time. I am using VNC to allow users to access the information displayed by the program over the local network. The problem is, that I want to set different levels of access. I.e 1. Viewing data. 2. Altering Voltage's & Currents etc. Has anybody come across a solution to this problem? Any help or suggestions would be most appreciated. Thanks for help in advance Regards Gavin Candy. Quality Engineer. BHC Components Ltd 20-21 Cumberland Drive Granby Industrial Estate Weymouth DT4 9TE England Tel: ++44 1305 830734 Fax: ++44 1305 760670 Email: gavin.candy@bhc.co.uk website: http://www.bhc.co.uk </BLOCKQUOTE>--- You are currently subscribed to vrf as: rsb@soco.agilent.com To subscribe send a blank email to "join-vrf@it.lists.it.agilent.com". To unsubscribe send a blank email to "leave-vrf@it.lists.it.agilent.com". To send messages to this mailing list, email "vrf@it.lists.it.agilent.com". If you need help with the mailing list send a message to "owner-vrf@it.lists.it.agilent.com".</BODY></HTML>
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