#Cheapest is the OPNsense DPI NGFW a firewall;.

[CryptoCurrencyMib]

Is the cost of a firewall directly correlated with its effectiveness in protecting against cyber threats, or are there cheaper options that still provide solid security measures?

[mae-3]

They provide the same protection as other hardware/software firewalls, Zenarmor is a product that is an add-on to the package and offers AI-driven cybersecurity of the highest order and OPNsense also offers DPI additionally.