On 22/02/21 16:29, Steve Litt wrote:
On a Devuan machine, how do I turn off the firewall entirely, so all
ports are accessible? I need to do this for experimentation, not as a
permanent thing.
To completely reset the firewall, see this script:
#!/usr/bin/env bash
set -eu
declare -A chains=(
[filter]=INPUT:FORWARD:OUTPUT
[raw]=PREROUTING:OUTPUT
[mangle]=PREROUTING:INPUT:FORWARD:OUTPUT:POSTROUTING
[security]=INPUT:FORWARD:OUTPUT
[nat]=PREROUTING:INPUT:OUTPUT:POSTROUTING
)
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
(from https://gist.github.com/x-yuri/da5de61959ae118900b685fed78feff1 )
Bye!
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