Nftables und openvpn: Unterschied zwischen den Versionen
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| Zeile 2: | Zeile 2: | ||
*wandev = enp0s3 | *wandev = enp0s3 | ||
*serverdev = enp0s10 | *serverdev = enp0s10 | ||
| − | *dmzdev = | + | *dmzdev = enp0s9 |
*vpndev = tun0 | *vpndev = tun0 | ||
*vpnport = 1194 | *vpnport = 1194 | ||
Aktuelle Version vom 29. Juli 2025, 12:17 Uhr
Variablen
- wandev = enp0s3
- serverdev = enp0s10
- dmzdev = enp0s9
- vpndev = tun0
- vpnport = 1194
- server = 172.16.2xx.0/24
- dmz = 10.88.2xx.0/24
- vpn = 172.20.2xx.0/24
![Bearbeiten](javascript:editDrawio("1583034575", "ipt-openvpn.drawio.png", "png", false, false, false, true, "https://embed.diagrams.net")){kind=link}
Vorausgesetztes Connection Tracking
- Verschlüsselter Verkehr – OpenVPN UDP (input Kette)
ct state new iif $wandev udp dport $vpnport accept
- VPN → SERVER
- Pakete aus dem Tunnel ins interne Netz (forward Kette)
ct state new iif $vpndev oif $serverdev ip saddr $vpn ip daddr $server accept
- VPN → DMZ
- Pakete aus dem Tunnel ins interne Netz (forward Kette)
ct state new iif $vpndev oif $dmzdev ip saddr $vpn ip daddr $dmz accept