#acl merlyn:read,write All:read

== How To List and Delete Iptables Firewall Rules ==
{{{
iptables -L INPUT -v
}}}

== Reset Packet Counts and Aggregate Size ==
{{{
iptables -Z
}}}

== Flush All Rules, Delete All Chains, and Accept All ==
{{{
    sudo iptables -P INPUT ACCEPT
    sudo iptables -P FORWARD ACCEPT
    sudo iptables -P OUTPUT ACCEPT

Then flush the nat and mangle tables, flush all chains (-F), and delete all non-default chains (-X):

    sudo iptables -t nat -F
    sudo iptables -t mangle -F
    sudo iptables -F
    sudo iptables -X
}}}