Configuring Firewall

[zummarius]

So I cannot seem to configure the firewall in a way I want in ADM Defender. I want to setup a deny-all except for my local network...however, I can't seem to specify an IP address range at all. How would I go about doing this, the ASUSTOR documentation has no details on this.

[DisasterIncarnate]

was wondering this myself, pity there is no alternative 3rd party app that does more.

[Nazar78]

The AMD Defender is limited. You can however configure from the command line using iptables if you know how to use it. Google for some help. Note though the system will overwrite your iptables rules on reboot or every time you access the ADM firewall and I think some intervals which you need to intervene these with custom startup scripts and schedules.

[ccm]

The correct way, as mentined above, is to deny all income connections and then specify which ones to accept. This I can do “out of the box” in my AS65 menu (for single IP addresses).

Understood, from posts above, ADM OS is using IPTABLES. Anyone tried using newer NFTABLES instead?

NFT is easier and powerful Firewall. If possible to install it then some boot time scripts might get it running permanently (and avoid system return to iptables on each reboot).