why is iptables still filtering after i disable the firewall?
Tom H
tomh0665 at gmail.com
Wed Sep 15 14:54:16 UTC 2010
On Wed, Sep 15, 2010 at 9:13 AM, Robert P. J. Day <rpjday at crashcourse.ca> wrote:
>
> i suspect this is based on my unfamiliarity with the way ubuntu
> pre-10.10 deals with firewalls but i'm trying to simply ping from my
> ubuntu system to a centos 5.5 box on the same in-house wireless
> network and i'm getting icmp responses, "Destination Host
> Unreachable." yet i can ping the other way (centos -> ubuntu).
>
> i've completely disabled iptables on the centos system, and i want
> to do the same on ubuntu. i installed gufw and i did what i thought
> disabled the firewall on the ubuntu box, yet when i run "sudo iptables
> -L", i'm still seeing some filtering:
>
> Chain FORWARD (policy ACCEPT)
> target prot opt source destination
> ACCEPT all -- anywhere 192.168.122.0/24 state
> RELATED,ESTABLISHED
> ACCEPT all -- 192.168.122.0/24 anywhere
> ACCEPT all -- anywhere anywhere
> REJECT all -- anywhere anywhere
> reject-with icmp-port-unreachable
> REJECT all -- anywhere anywhere
> reject-with icmp-port-unreachable
>
> and while the forwarding rules shouldn't affect this, how can i simply
> disable the firewall entirely? if i invoke "gufw" and disable the
> firewall, shouldn't that do it?
How about "ufw reset" and/or "ufw disable"?
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