Re: Windows RealVNC server not accepting connections

2011-11-01 Thread Mike Miller

On Fri, 28 Oct 2011, Gregg Levine wrote:

If I remember correctly, using VNC on Windows is tricky. Is it on the 
allowed programs list for the firewall?


I think there are multiple layers of firewalling and I'm probably missing 
something.



And for trying to connect to it on the host, you'd need to enable that 
feature during the startup routines.


I'm not sure I understand you.  The service is running and it now accepts 
connections from localhost (at least up to the password prompt, but I 
haven't gone beyond that because it gets tricky to log into Windows from 
localhost).


Mike

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Re: Windows RealVNC server not accepting connections

2011-10-31 Thread Gregg Levine
On Fri, Oct 28, 2011 at 5:07 AM, Mike Miller mbmille...@gmail.com wrote:
 I'm running the latest Free RealVNC server in service mode on a WinXP box
 and it isn't accepting any connections.  I tried to connect to localhost and
 I get a dialog box right away saying the connection closed unexpectedly.
  I'm not prompted for a password.

 The icon is in the tray saying it is running.

 What do you recommend I do to troubleshoot this?

 I found the log in the Windows Event Viewer.  When I look at properties,
 this is what I see for every attempt from localhost:

 SocketManager: unknown listener event: 0

 But when I try to connect from a Linux machine on the subnet, it doesn't
 register anything.  When I use nmap on the Linux box to look at the Windows
 box, I see that port 5900 is filtered rather than open.

 I was able to use vncviewer -listen on the Linux box to receive a
 connection from the VNC server on Windows.  That worked but only
 momentarily.  It locked up almost right away and then the VNC server crashed
 on Windows, including the usual Microsoft request to report the error, which
 I did.

 Mike

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Hello!
If I remember correctly, using VNC on Windows is tricky. Is it on the
allowed programs list for the firewall? And for trying to connect to
it on the host, you'd need to enable that feature during the startup
routines.

-
Gregg C Levine gregg.drw...@gmail.com
This signature fought the Time Wars, time and again.

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Re: Windows RealVNC server not accepting connections

2011-10-31 Thread Mike Miller

On Fri, 28 Oct 2011, Mike Miller wrote:

I'm running the latest Free RealVNC server in service mode on a WinXP 
box and it isn't accepting any connections.  I tried to connect to 
localhost and I get a dialog box right away saying the connection closed 
unexpectedly.  I'm not prompted for a password.


I realized that I was allowing connections only from a certain other 
machine on the subnet, and was therefore blocking connections from 
localhost.  I fixed that and then was able to make the connection from 
localhost.  So I guess this is what we see in the event log when WinVNC is 
disallowing a connection (at least if it is from localhost):


SocketManager: unknown listener event: 0

This is still a problem:

But when I try to connect from a Linux machine on the subnet, it doesn't 
register anything.  When I use nmap on the Linux box to look at the 
Windows box, I see that port 5900 is filtered rather than open.


I was able to use vncviewer -listen on the Linux box to receive a 
connection from the VNC server on Windows.  That worked but only 
momentarily. It locked up almost right away and then the VNC server 
crashed on Windows, including the usual Microsoft request to report the 
error, which I did.



Any ideas?  Why would the server crash after making a connection to a 
listening viewer?


I'm guessing that my problem making a normal connection is due to some 
kind of firewalling problem.  I'm trying to turn all of that off.  It's 
hard to figure out exactly where the problem is, though.


Mike

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