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wintersolutions/ipforward.sh

Last active February 2, 2021 03:00
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ipforward.sh
#!/usr/bin/env bash
# outside connections
/usr/sbin/iptables -w -t nat -A PREROUTING -d EXTERNALIP -p tcp --dport 80 -j DNAT --to-destination INGRESSIP:80
/usr/sbin/iptables -w -t nat -A PREROUTING -d EXTERNALIP -p tcp --dport 443 -j DNAT --to-destination INGRESSIP:443
/usr/sbin/iptables -w -t nat -A PREROUTING -d EXTERNALIP -p tcp --dport 6443 -j DNAT --to-destination K8IP:6443
# host
/usr/sbin/iptables -w -t nat -A OUTPUT -p tcp --dport 80 -j DNAT --to-destination INGRESSIP:80
/usr/sbin/iptables -w -t nat -A OUTPUT -p tcp --dport 443 -j DNAT --to-destination INGRESSIP:443
/usr/sbin/iptables -w -t nat -A OUTPUT -p tcp --dport 6443 -j DNAT --to-destination K8IP:6443
# cluster
/usr/sbin/iptables -w -t nat -A PREROUTING -s LXCIP/16 -d EXTERNALIP -p tcp --dport 80 -j DNAT --to-destination INGRESSIP:80
/usr/sbin/iptables -w -t nat -A PREROUTING -s LXCIP/16 -d EXTERNALIP -p tcp --dport 443 -j DNAT --to-destination INGRESSIP:443
/usr/sbin/iptables -w -t nat -A PREROUTING -s LXCIP/16 -d EXTERNALIP -p tcp --dport 6443 -j DNAT --to-destination K8IP:6443
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