Easy Firewall Generator provides a excellent gateway iptables script but in my environment the interface names could change and manually editing the script is no good.
This script basically a 'wrapper script' for the Easy Firewall Generator script, with a few mods.
The usage is:
./ics.sh -i [Internet Interface] -e [Sharing Interface] -a [Sharing IP Address]
For example, if eth0 had internet access and I wanted to share the internet connection to hostapd wlan0 (10.0.0.1) then the command to enable sharing would be:
./ics.sh -i eth0 -e wlan0 -a 10.0.0.1
You will need to generate a iptables 'firewall script' using the Easy Firewall Generator site.
- On the website just select arbitrary values for the interfaces and ip addresses.
- On the website, in section "Select Type of Internet Address ", select "Dynamic Internet IP Address"
- Click generate, save the code, comment out the "Internet Interface" and the "Local Interface Information" sections in the saved 'firewall script'.
- In the 'firewall script' remove the first line "#!/bin/sh"
- Then add the raw 'wrapper script' below to the top of your firewall script.
- Save and chmod +x the file before trying it out.
Those instruction suck. |
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