26 lines
822 B
Bash
26 lines
822 B
Bash
#!/bin/bash
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clear
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iprt=$1
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oprt=$2
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oipa=$3
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#echo 1 > /proc/sys/net/ipv4/ip_forward
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#iptables -F
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#iptables -t nat -F
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#iptables -t nat -A PREROUTING -p tcp --dport $iprt -j DNAT --to-destination $oipa:$oprt
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#sudo iptables -t nat -A POSTROUTING -j MASQUERADE
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#sudo iptables -t nat -L -n -v
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#sudo iptables-persistent
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sudo nft -f /etc/nftables.conf
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sudo ufw reload
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sudo sysctl -w net.ipv4.ip_forward=1
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sudo nft add table ip nat
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sudo nft add chain ip nat prerouting { type nat hook prerouting priority -100 \; }
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sudo nft add chain ip nat postrouting { type nat hook postrouting priority 100 \; }
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sudo nft add rule ip nat prerouting tcp dport $iprt dnat to $oipa:$oprt
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sudo nft add rule ip nat postrouting ip daddr $oipa masquerade
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#sudo mkdir /etc/nftables/
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sudo nft list ruleset #| sudo tee /etc/nftables/port-forwarding.nft |