Hi all,
I’m absolutely loving learning and tinkering with Diet-Pi. I’m currently creating a Security System with Motion, Apache2 and PHP.
The www front end currently allows me to view system statistics, the current stream and to turn the Motion service on/off using PHP to avoid any false positives. On my things to do for the system before I move the Diet-Pi to its permanent home is that I’m going to configure Motion to send emails on motion detected, back up the detected images/videos folder to Google Drive, install NoIP and IPTables (more on that below), plus the other things that I likely need to accomplish but have forgotten!
I’m coming close to completing this project, however I wish to add IPTables to secure the system. The issue I am facing is I don’t seem to find a lot of information regarding IPTables for Debian/Raspbian, and anything I do find references Ubuntu and directories that do not seem to exist within DietPi.
I was wondering does anyone have DietPi friendly configuration steps for IPTables? Keep in mind I have not configured IPTables before so that is new to me, however all of the other basic Linux things I can do comfortably.
Thanks in advance!
Hi “Why no WiFi” 
,
Sounds like an interesting project for your RPi. Unfortunately, i do not have any 1st hand knowledge of this so I am currently unable to assist you at the moment.
Hopefully someone with that knowledge will reply, if not, i would recommend the Raspberry Pi Forums for advice. As DietPi runs on Raspbian, you can follow the guides/advice from the RPi community with your DietPi installation.
I use iptables together with DietPi and it works great. It should work the same on all debian setups, and likely on other distros as well.
It can be a b+tch setting it up properly so expect a lot of frustration. Expect it to take time, because of the trial-and-error nature in configuring it, so don’t start doing this just a few hours before you need your Pi for anything network-related. Also expect to lock yourself out of your system many times (via ssh) so make sure to have a keyboard for connecting directly to the Pi to get back in.
IPtables is probably the most common linux firewall so the internet is packed with info about configuring it, and a google search should land you a gazillion results, including others’ examples of rules and scripts that can provide a good starting point.