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Thread: network error..conection timed out

  1. #1
    Join Date
    Jun 2008
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    240

    Exclamation network error..conection timed out

    I got a single PC(ubuntu server) connected to my uni network and can access the internet via uni lan.I installed ssh,n i was able to access the ubuntu host from windows vista running on my laptop(connected to uni wireless neytwork).(using PuTTy s/w here)

    However when i ask my friend residing in a different country to attempt ssh connection using puTTy,the terminal opens up n then gives an error msg -network error..conection timed out

    I am able to ping his machine from my ubuntu host though...

    What could be wrong here?Is uni n/w firewall blocking the conn?

    Thanks in advance

    Cheers
    David

  2. #2
    Join Date
    Jan 2007
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    5,549

    Re: network error..conection timed out

    firewall is a possibility , also you would need to port forward 22 as SSH uses that..

  3. #3
    Join Date
    Jun 2008
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    240

    Re: network error..conection timed out

    Thanks,how do i do a port forward>?

  4. #4
    Join Date
    Jan 2007
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    5,549

    Re: network error..conection timed out

    well for this you need to have access to the router.. steps vary from router to router, try finding your router here http://www.portforward.com/english/r...outerindex.htm .. basic steps are loggin into your router. going to the virtual server page and opening port 22.. as ip address, enter your pc's local ip address

  5. #5
    Join Date
    Jun 2008
    Beans
    240

    Re: network error..conection timed out

    Many thanks,
    I posted a similar thread elsewhere cz i needed the solution real fast before i logged off for the weekend,my apologies for that....
    One of the guys mentioned that i could do a port scan on the uni n/w and run my ssh on any of the open ports...though its not appropriate to do that,i would like to test out how that works.....i can find out open ports easily using nmap,but do not know the latter part which is running ssh on an open port of the uni n/w...

  6. #6
    Join Date
    Jan 2007
    Beans
    5,549

    Re: network error..conection timed out

    the suggestion given by the other person may not work..cause even if ur uni has open ports, it may not be forwarded to your computer.. anyways to change the port from 22 to something else edit your /etc/ssh/sshd_config file.. go to the terminal and type sudo gedit /etc/ssh/sshd_config .. and change 22 to whatever port is open

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