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Thread: Why can I only access internet by disabling ufw?

  1. #1
    Join Date
    Oct 2007
    Beans
    6
    Distro
    Gutsy Gibbon Testing

    Why can I only access internet by disabling ufw?

    I'm running Ubuntu 12.10 and have been experiencing network problems. I've tried various solutions but the only things that seems to work are to either disable ufw or run:
    sudo iptables -F
    I presume this means that there is a rule in iptables that is blocking my outgoing traffic. This is my ufw status:
    Status: active
    Logging: on (low)
    Default: deny (incoming), allow (outgoing)
    New profiles: skip
    These are my iptables rules:
    Chain INPUT (policy ACCEPT)
    target prot opt source destination

    Chain FORWARD (policy ACCEPT)
    target prot opt source destination

    Chain OUTPUT (policy ACCEPT)
    target prot opt source destination

    Chain ufw-after-forward (0 references)
    target prot opt source destination

    Chain ufw-after-input (0 references)
    target prot opt source destination

    Chain ufw-after-logging-forward (0 references)
    target prot opt source destination

    Chain ufw-after-logging-input (0 references)
    target prot opt source destination

    Chain ufw-after-logging-output (0 references)
    target prot opt source destination

    Chain ufw-after-output (0 references)
    target prot opt source destination

    Chain ufw-before-forward (0 references)
    target prot opt source destination

    Chain ufw-before-input (0 references)
    target prot opt source destination

    Chain ufw-before-logging-forward (0 references)
    target prot opt source destination

    Chain ufw-before-logging-input (0 references)
    target prot opt source destination

    Chain ufw-before-logging-output (0 references)
    target prot opt source destination

    Chain ufw-before-output (0 references)
    target prot opt source destination

    Chain ufw-reject-forward (0 references)
    target prot opt source destination

    Chain ufw-reject-input (0 references)
    target prot opt source destination

    Chain ufw-reject-output (0 references)
    target prot opt source destination

    Chain ufw-track-input (0 references)
    target prot opt source destination

    Chain ufw-track-output (0 references)
    target prot opt source destination
    Can anyone help? The only thing I can think of that I've done differently with this installation is that I installed Peer Guardian for a bit but I have since removed it. Could that have added a rule somewhere that has blocked me?

    Any help would be appreciated. Thanks.
    Last edited by Chukkamans; January 18th, 2013 at 06:16 PM. Reason: To make correction

  2. #2
    Join Date
    Feb 2011
    Location
    Coquitlam, B.C. Canada
    Beans
    1,614
    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Why can I only access internet by disabling ufw?

    The iptables rule set you posted actually has no rules and the default policy is ACCEPT, so it is not blocking anything.

  3. #3
    Join Date
    Oct 2007
    Beans
    6
    Distro
    Gutsy Gibbon Testing

    Re: Why can I only access internet by disabling ufw?

    Well up to about 10 minutes ago, the repeated attempts to find a solution would have disagreed and said that there was a problem hiding somewhere. I just restarted for the first time since purging a couple of things and even with ufw active I'm online so something has changed. But thanks for taking a look even if there was nothing to see.

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