Enabling VNC

[Kevin J. Cummings]

Jeremy Conlin wrote:
> On 2004-10-21 18:23:30 -0400, gillian <gillian.bennett at celentia.com> said:
> 
>>
>> Perhaps you could check the MTU of your machine and the remote host? We
>> have had problems with VNC displaying similar behavior because the MTU's
>> didn't match. To diagnose, you run a ping with varying sized packets
>> between the hosts and tcpdump the traffic in very verbose mode. That way
>> you get the packet sizes being reported.
> 
> 
> What is MTU?  How do I ping with different sized packets?  What would 
> that tell me?

MTU is the Maximum Transmission Unit of a TCP connection.  Basically, 
its the largest sized packet that can be sent over a TCP/IP connection.

>> Also check to make sure that VNC is actually listening on the port you
>> think it should be. You can netstat -npl to check for that.
> 
> 
> I have done netstat and have found out that it is listening on the right 
> port (after fixing iptables).

The fact that you are getting a password prompt, and seeing part of a 
splash screen seems to re-inforce that claim.

-- 
Kevin J. Cummings
kjchome at rcn.com
cummings at kjchome.homeip.net
cummings at kjc386.framingham.ma.us