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ea0ebe4 Nov 20, 2016
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if [[ "$#" -ne 2 ]]; then
cat <<EOT
Usage: <external interface> <internal interface>
external-interface: The interface with which your Mac is
connected to the internet (e.g. "en3")
internal-interface: The interface used to connect to your cluster
(e.g. "en0")
Check the interfaces with "ifconfig -a"
exit 1
sudo sysctl -w net.inet.ip.forwarding=1
sudo sysctl -w net.inet.ip.fw.enable=1
echo "nat on ${1} from ${2}/24 to any -> (${1})" >> ${nat_rules}
sudo pfctl -d #disables pfctl
sudo pfctl -F all #flushes all pfctl rules
sudo pfctl -f ${nat_rules} -e #starts pfctl and loads the rules from the nat-rules file
#rm ${nat_rules}