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ISP modem. I have a pi3 running pihole-dhcp-unbound, ufw and log2ram.
My system is a pi4 running *arrs, qBit, fail2ban, portainer in docker and ufw for now. Use case is: via mobile phone access *arrs, let them do their things and manually play files via hdmi or move files via thumbdrive. I was thinking giving up the phone access to put them on their own network, but subnets are beyond my ken for now.
Hoping to increment my security, and then the system as my skills develop.
Edit, qBit and prowlarr are behind gluetun set up for mullvard. I'm in the UK so had to put the indexer behind a VPN. UFW
Is it running as bridge? Do you get a public IP on your Pi or is it a NAT?
I don't know, what's more I don't know how to check.Which ever most likely?
ISP plastic box didn't allow custom DNS, I disabled DHCP and IPv6. On pihole I enabled DHCP with IPv6 disabled.
I know, I know enough to be dangerous now, and I'm trying to get the system through my dangerous phase. I don't think I know enough to ask intelligent questions yet...
Why, though?
When it was active I was getting ads. I disabled the pi-hole registered an increase in traffic and there were no more ads. I don't know why. It's working as it is and I'll tinker when I know more.
Did you care to understand why at least? @farcaller@fstab.sh @Fedegenerate@lemmynsfw.com the reason you were getting more ads was simple. If the ISP router was running DHCP and IPv6 then te the devices connected to the network got their IP addresses from the ISP router and it would also provide ISP DNS servers (or router IP) completely bypassing your pi-hole.
Ah, I knew it was bypassing the pi-hole, I thought it was IPv6. I think I made the mistake of changing more than one thing at once, what I did worked and I moved on to the next functionality I was chasing. I'll try enabling IPv6 on the pihole, I know at least if I get Ads with it on its not IPv6.
It's both the IPv4 and IPv6 DHCP... You IPS router has to run DHCP (or similar) for both IP versions.
Both of them will provide your machines with ISP DNS servers / gateway and the machines will bypass your pi-hole. Since most operating systems will prefer to use IPv6 over IPv4 if you enable IPv6 you'll most likely get ANY ad from any company that runs on IPv6 (most likely everyone).
When it comes to IPv6 it's game over to the pi-hole if your ISP router doesn't allow you to set custom IPv6 DNS servers (and set it to your pi-hole IPv6 address).
Anyways, as long as you don't go into the router ISP and tell it to "forward port X to port Y on pi-hole" you don't even need a firewall running on pi-hole, as nothing from the public internet will be able to reach it.
If you're using a VPN on the Pi then you may run a firewall but restrict only to the VPN interface and set it do drop all incoming traffic on that interface unless related to some outgoing connection.