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vault backup: 2025-09-05 08:30:41

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Jerry Jacobs 2025-09-05 08:30:41 +02:00
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11
2025/durian.srv.xor-gate.org.md
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@ -13,6 +13,17 @@
### IPv4 forwarding
Host ports < 1024 as normal user and use iptables firewall to forward between localhost and public IP.
```
/usr/sbin/iptables -F # flush all rules
/usr/sbin/iptables -t nat -F # flush all nat rules
/usr/sbin/iptables -X # Clear user defined chains
/usr/sbin/iptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT --to 127.0.0.1:8080
/usr/sbin/iptables -t nat -A POSTROUTING -j MASQUERADE
/usr/sbin/iptables -t nat -L -v
```
/etc/sysctl.conf:
```
net.ipv4.ip_forward = 1