bgrabbe at umich
Feb 18, 2009, 4:43 AM
Post #5 of 5
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RE: problem with vnc server in the domain
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I was thinking not necessarily with the hardware, but possibly something
configured differently on your pc from the other computers. If you're
working with your IT people, I'd ask them if they could run a network
monitor to see what packets and protocols are reaching your machine and
what's responding on it.
Connection problems are most often an operating system or configuration
problem from what I've seen before. Especially if other clients that are on
your network are having problems connecting to your pc.
Bob Grabbe
-----Original Message-----
From: vnc-list-admin [at] realvnc [mailto:vnc-list-admin [at] realvnc] On
Behalf Of Edward Ptaszynski
Sent: Wednesday, February 18, 2009 2:19 AM
To: VNC-List [at] realvnc
Subject: RE: problem with vnc server in the domain
Bob-you probably right-maybe sth is wrong with my mainboard, but at this
time it seems I'll have to live with that-to all the answer is yes except
windows firewall-I have it curently runnining but while it was disabled
there was the same problem.
Mark-thanks for trying but I'm working in our IT department with our network
admins :)- and they out of ideas too.
From: mark g [mailto:marko_g23 [at] yahoo]
Sent: Wednesday, February 18, 2009 7:03 AM
To: bgrabbe [at] umich; Edward Ptaszyqski; VNC-List [at] realvnc
Subject: Re: problem with vnc server in the domain
most network admin won't allow vnc connection from outside your domain or
office. this is no no for them.
This would be a security breach.
If you really need this, setup a vnc server in your front end if you like or
allow vnc connection to pass your firewall. From there you can vnc your
workstation.
-----Original Message-----
From: Bob Grabbe [mailto:bgrabbe [at] umich]
Sent: Monday, February 16, 2009 5:01 PM
To: 'Edward Ptaszyqski'
Subject: RE: problem with vnc server in the domain
Just to make sure, you are saying that other computers inside your domain
sometimes have a problem connecting to your computer ? That would indicate
that the problem is on your computer and not with the router.
Is it safe to assume that you have tried uninstalling vnc and reinstalling
it ? And that you don't have the Windows firewall running on this computer ?
If you do have it running, I'd try disabling it and seeing if the problem
continues. If neither of those things makes a difference, I'd be unable to
suggest anything else.
Bob Grabbe
-----Original Message-----
From: Edward Ptaszyqski [mailto:e.ptaszynski [at] semax]
Sent: Monday, February 16, 2009 10:40 AM
To: bgrabbe [at] umich
Subject: RE: problem with vnc server in the domain
Are people outside your domain able to access other computers in your domain
?
Yes-with no problem-they just have to type a login and password to get to
the allowed data, and no problem with VNV as well.
Are they trying to access your computer by name or by ip address ?
People outside the domain are trying to access my computer by ip adress,
people in the domain uses my computer name. And what is strange there is no
diffrance about the problem.Sometimes users of damains can access my
computer by vnc using computer name and sometimes don't-the same is with
computers outside domain-sometimes they can access my computer by ip adress
sometimes they don't.The same goes with direct data access(exchange
folders).
Is there any kind of firewall on your domain that might be blocking access
from outside ?
No
Is your computer using a publicly available ip address or is it using NAT ?
It is using a NAT but I have a port for vnc assign to my computer. Other
computers in my domain have the same configuration(of course diffrent ports)
and it works there without interference.
-----Original Message-----
From: vnc-list-admin [at] realvnc [mailto:vnc-list-admin [at] realvnc] On
Behalf Of Bob Grabbe
Sent: Monday, February 16, 2009 3:41 PM
To: 'Edward Ptaszyqski'; VNC-List [at] realvnc
Subject: RE: problem with vnc server in the domain
Are people outside your domain able to access other computers in your domain
?
Are they trying to access your computer by name or by ip address ?
Is there any kind of firewall on your domain that might be blocking access
from outside ?
Is your computer using a publicly available ip address or is it using NAT ?
Accessing your computer from within your domain is going to be different
than accessing any of the computers from outside your domain.
Bob Grabbe
-----Original Message-----
From: vnc-list-admin [at] realvnc [mailto:vnc-list-admin [at] realvnc] On
Behalf Of Edward Ptaszynski
Sent: Monday, February 16, 2009 9:05 AM
To: VNC-List [at] realvnc
Subject: problem with vnc server in the domain
Welcome!
I'm having a problem with a RealVNC(Server) under Windows XP. My computer is
In company domain. The domain contains close to 200 computers connected and
only In my computer there are problems. I tried almost everything from
changing my Network card to reinstalling a system. All looks like I'm able
to do a one-way traffic on my computer. I can Access All the computers In
the domain and connect to them by VNC by using their Network-name,copy the
files from Exchange folders and so on, I can also Access easily by VNC
computers outside the company domain(of course if they aren't behind a
bloking firewall ;)). On the other site however people outside a company
domain cannot access my computer(no login window-just error window) and from
most of the time they cannot access my computer by vnc.People in the domain
most of the time cannot acces my exchange folder as well. Any ideas enyone?
Edward Ptaszyqski
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