I have created a python flask script that runs on my raspberry pi, I have also configured rpi to switch to access point so when my laptop/mobile gets connected to the AP, I can navigate to the IP '192.168.4.1' to access the python flask web page. Now I want to do is set up a captive portal so that whenever I get connected to the AP, I get redirected to the IP of my pi and can access the flask web page. Can anyone give me an example/url to follow and understand what to do?
I have tried the following steps: Enable IP Forwarding:
Add these commands for the firewall and packet forwarding:
sudo iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE sudo iptables -A FORWARD -i eth0 -o wlan0 -m state --state RELATED,ESTABLISHED -j ACCEPT sudo iptables -A FORWARD -i wlan0 -o eth0 -j ACCEPT sh -c "iptables-save > /etc/iptables.ipv4.nat" sudo nano /etc/rc.local
add these lines before Exit 0:
iptables-restore < /etc/iptables.ipv4.nat ifconfig wlan0 192.168.4.1