Re: [DNG] How to turn off the firewall

[Federico Fanton via Dng]

On 22/02/21 17:19, Antony Stone wrote:

for table in "${!chains[@]}"; do
      echo "${chains[$table]}" | tr : $"\n" | while IFS= read -r; do
          iptables -t "$table" -P "$REPLY" ACCEPT
      done
      iptables -t "$table" -F
      iptables -t "$table" -X
done

I do not understand the purpose of $REPLY in that script.

It will contain the name of the chain to be passed to iptables -P.

This is what the script calls on my system:

iptables -t raw -P PREROUTING ACCEPT
iptables -t raw -P OUTPUT ACCEPT
iptables -t raw -F
iptables -t raw -X
iptables -t mangle -P PREROUTING ACCEPT
iptables -t mangle -P INPUT ACCEPT
iptables -t mangle -P FORWARD ACCEPT
iptables -t mangle -P OUTPUT ACCEPT
iptables -t mangle -P POSTROUTING ACCEPT
iptables -t mangle -F
iptables -t mangle -X
iptables -t nat -P PREROUTING ACCEPT
iptables -t nat -P INPUT ACCEPT
iptables -t nat -P OUTPUT ACCEPT
iptables -t nat -P POSTROUTING ACCEPT
iptables -t nat -F
iptables -t nat -X
iptables -t filter -P INPUT ACCEPT
iptables -t filter -P FORWARD ACCEPT
iptables -t filter -P OUTPUT ACCEPT
iptables -t filter -F
iptables -t filter -X
iptables -t security -P INPUT ACCEPT
iptables -t security -P FORWARD ACCEPT
iptables -t security -P OUTPUT ACCEPT
iptables -t security -F
iptables -t security -X
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