How Can I use Raspberry Pi 4 as a antivirus or a security device in a Network?
I am trying to make the raspberry pi become a security device example below.
That PI 4 needs to be a security for the internet.
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OpenWrt is a OS/tools that you can write on the SD-Card and run on your raspberry pi. In this link, you can find the image file and some explanation.
It's easy to configure the OpenWrt. All you need is configure the
br0 (by default) as the WAN port and connect your modem port (internet) then share it by
It can be your simple firewall that is easy to use. More information is here.
On the other hand, you can configure you Raspbian/Archlinux/etc as a network firewall that is a bit complicated. Check this link out to get some information about configuration.