From 5ea871fe0c9e865d0a65d5da2bcc4f191f0851be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ebbe=20Ba=C3=9F?= <ebbe.bass>
Date: Fri, 16 Feb 2024 18:12:19 +0100
Subject: [PATCH] added ip tables routing to readme
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Signed-off-by: Ebbe Baß <ebbe.bass>
---
 README.md | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/README.md b/README.md
index 6541c31..bd253f0 100644
--- a/README.md
+++ b/README.md
@@ -198,6 +198,20 @@ Now set your Wifi country code for the interface:
 
 `sudo raspi-config` > "Localisation Options" > "WLAN Country" > Select your country code by pressing Enter > "Ok" > "Finish"
 
+
+Now route the wifi0 interface to the eth0 interface. This is needed for later.
+
+Edit the sysctl.conf file with `sudo nano /etc/sysctl.conf` and uncomment the line `net.ipv4.ip_forward=1`.
+
+Then save and exit.
+
+Last step for the routing is to enable a firewall rule on the Pi
+
+```
+sudo iptables -t nat -A  POSTROUTING -o eth0 -j MASQUERADE
+sudo netfilter-persistent save
+```
+
 Now enable and start all required services and restart:
 
 ```