Aktuelle Version vom 4. August 2026, 07:06 Uhr

Variablen

ct state new iif $WANDEV udp dport $VPNPORT accept

ct state new iif $VPNDEV oif $DMZDEV ip saddr $VPN ip daddr $DMZ accept

ct state new iif $VPNDEV oif $LANDEV ip saddr $VPN ip daddr $LAN accept

ct state new iif $VPNDEV oif $SERVERDEV ip saddr $VPN ip daddr $SERVER accept

@@ Zeile 1: / Zeile 1: @@
 = Variablen =
-*wandev = enp0s3
+*define WANDEV = enp0s3
-*serverdev = enp0s10
+*define DMZDEV = enp0s8
-*dmzdev = enp0s9
+*define LANDEV = enp0s9
-*vpndev = tun0
+*define SERVERDEV = enp0s10
-*vpnport = 1194
+*define DMZ = 10.88.2XX.0/24
-*server = 172.16.2xx.0/24
+*define LAN = 172.26.2XX.0/24
-*dmz = 10.88.2xx.0/24
+*define SERVER = 10.2XX.1.0/24
-*vpn = 172.20.2xx.0/24
+*define VPNDEV = tun0
+*define VPNPORT = 1194
+*define VPN = 172.20.2XX.0/24
 {{#drawio:ipt-openvpn}}
 = Vorausgesetztes Connection Tracking =
 ; Verschlüsselter Verkehr – OpenVPN UDP (input Kette)
-  ct state new iif $wandev udp dport $vpnport accept
+  ct state new iif $WANDEV udp dport $VPNPORT accept
-; VPN → SERVER: Pakete aus dem Tunnel ins interne Netz (forward Kette)
+; VPN → DMZ Pakete aus dem Tunnel ins interne Netz (forward Kette)
-  ct state new iif $vpndev oif $serverdev ip saddr $vpn ip daddr $server accept
+ ct state new iif $VPNDEV oif $DMZDEV ip saddr $VPN ip daddr $DMZ accept
-; VPN → DMZ: Pakete aus dem Tunnel ins interne Netz (forward Kette)
+; VPN → LAN Pakete aus dem Tunnel ins interne Netz (forward Kette)
-  ct state new iif $vpndev oif $dmzdev ip saddr $vpn ip daddr $dmz accept
+  ct state new iif $VPNDEV oif $LANDEV ip saddr $VPN ip daddr $LAN 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