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Thread: Ping command doesnot work over internet.

  1. #1
    Join Date
    Jul 2007
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    Ubuntu 9.10 Karmic Koala

    Ping command doesnot work over internet.

    My Internet connection is working but when I ping www.google.com, it doesn't work.

    guruprasad@guruprasad:~/Desktop$ ping -c 5 www.google.com
    PING www.l.google.com (209.85.231.104) 56(84) bytes of data.

    --- www.l.google.com ping statistics ---
    5 packets transmitted, 0 received, 100% packet loss, time 4016ms
    I getting internet via gateway 192.168.100.9
    My computer with IP 192.168.100.9 shares internet using firestarter.

  2. #2
    Join Date
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    Re: Ping command doesnot work over internet.

    Quote Originally Posted by Guruprasad View Post
    My Internet connection is working but when I ping www.google.com, it doesn't work.



    I getting internet via gateway 192.168.100.9
    My computer with IP 192.168.100.9 shares internet using firestarter.
    Check the ICMP configuration of firestarter. It's probably blocking the return packets.
    Dan
    I wish my computer would do what I wanted it to do instead of what I told it to do.

  3. #3
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    Re: Ping command doesnot work over internet.

    ICMP filtering is disabled.

    Surperisingly even my computer with IP 192.168.100.9 can not ping anything over internet. This computer is connected to internet using DHCP. It has firestarter. I tried disabling Firestarter and pinging, still no sucess.

  4. #4
    Join Date
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    Ubuntu 14.04 Trusty Tahr

    Re: Ping command doesnot work over internet.

    Check your router to see if incoming ICMP packets are being blocked.
    Thank you for your contributions. "So long and thanks for the fish!"

  5. #5
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    Re: Ping command doesnot work over internet.

    I am not using router.

    I have computer A which is connected to internet with DHCP.

    Computer B is connected to Computer A over LAN. It gets internet using computer A as gateway.

    Both commputer A and B can not ping to internet website.

  6. #6
    Join Date
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    Re: Ping command doesnot work over internet.

    Maybe it's being blocked by your ISP. That's the next logical place for blocking.
    Dan
    I wish my computer would do what I wanted it to do instead of what I told it to do.

  7. #7
    Join Date
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    Ubuntu 11.10 Oneiric Ocelot

    Re: Ping command doesnot work over internet.

    Quote Originally Posted by 5149.5 View Post
    Maybe it's being blocked by your ISP. That's the next logical place for blocking.
    Many ISPs block ICMP data on residential connections.

  8. #8
    Join Date
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    Re: Ping command doesnot work over internet.

    Quote Originally Posted by Grenage View Post
    Many ISPs block ICMP data on residential connections.
    Security by obscurity.
    Dan
    I wish my computer would do what I wanted it to do instead of what I told it to do.

  9. #9
    Join Date
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    Re: Ping command doesnot work over internet.

    Quote Originally Posted by 5149.5 View Post
    Security by obscurity.
    I know, I think that the primary reason was worm outbreaks, but some still enforce it. BT did the same thing, but only for a short time.

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