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I've installed vnc4server on Ubuntu server edition....i've opened ports 5800 and 5900 on the router now i can access vnc server from the external ip address on ubuntu but when ...
  1. 12-23-2009 #1
    calmchessplayer
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    VNC eternal ip address problem.

    I've installed vnc4server on Ubuntu server edition....i've opened ports 5800 and 5900 on the router now i can access vnc server from the external ip address on ubuntu but when i try to access it on any other client such as my windows machine i can't use the external ip address......what is happening this is really weird.......i'm using tightvnc client as the client which isn't a problem because i can access it from the lan IP its just the external one giving me a problem...can somebody help me out plz....and if its not too much trouble how do i make vnc startup at startup?
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  2. 12-23-2009 #2
    D-cat
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    You've opened the ports on the router but did you set up port forwarding?

    You have to tell the router which (local) IP to direct traffic coming in on a given port or the packets will likely just evaporate.
    You just WON the game!
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  3. 12-23-2009 #3
    calmchessplayer
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    yes i know how to setup a port to go through router and its un stealthed according to my port scans it seems to be ubuntu blocking it or something. i trued ufw -disable and disabled the ubuntu firewall but it didn't help any.
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  4. 12-23-2009 #4
    coopstah13
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    You need to double check your router configuration. If you can access it on the LAN, then the problem is with the router. As D-cat pointed out, it isn't enough to just open the port, you need to set up port forwarding to tell the router to redirect requests on specific ports to specific internal addresses.
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  5. 12-23-2009 #5
    calmchessplayer
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    OK i got the ports straightened out seems the server uses port 5902 i thought it used 5900....anyway straight there and i can connect if a user is logged in to ubuntu but i get nopassword for auth if i try to login with vnc to the login screen.....how do i set it up to vnc into the login screen?
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  6. 12-23-2009 #6
    coopstah13
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    Fluky Logs: Setting up VNC for GDM Login
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  7. 12-23-2009 #7
    calmchessplayer
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    ok i install x11vnc and followed all the directions i know get a login screen but as soon as i login the vnc closes the connection i've triple checked the configs and everything is correct the server is just plain being stopped after login if i restart the vnc serever and login a second time so i know the vnc server is being stopped by logging into the machine......anybody know how to stop the vnc server from being stopped?
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