How to open a port?

[Daniel Carrera]

Mario Vukelic wrote:
>> Running 'netstat' doesn't show ports 177 or 6000 open :(
> 
> I've just tried it by telnetting to the port before and after disabling
> the GUi setting:
> 
> telnet <outside ip of the machine> 6000
> 
> As expected, in one case i couldn't connect, in the other i could.
> Cosistent with the fact that this always worked for me.
> 
> Can you telnet there?

I think that Edubuntu doesn't have a telnet server. But connecting to 
port 6000 gives a different result than connecting to another port. It says:

$ telnet 192.168.17.1 6000
Trying 192.168.17.1...
Connected to 192.168.17.1.
Escape character is '^]'.

And then it says there for a while and then quits.

I guess that this means that one *can* connect to the server through 
port 6000? (even if telnet itself is not running on that port).

-- 
"It's like a rainbow. Without an observer at a 23 degree angle to
the light reflected a cloud of spherical droplets, there is no
rainbow. The whole universe is like that. Our spirits stand at a
23 degree to the universe."  -- Zoya Boone, Red Mars