Firewall, Block a domain/hostname possible?

Hi everyone,

I'm thinking to install OpenWRT on one of my router.

I was wondering if it's possible to block a domain/hostname within the firewall settings of OpenWRT ?

Thank-you

https://openwrt.org/docs/guide-user/firewall/netfilter_iptables/netfilter_openwrt

Modern web operation specifics makes firewall-based content-filtering ineffective, unless you utilize a DPI, which is not a simple task.

But you can use adblock for DNS-based content-filtering:
https://openwrt.org/docs/guide-user/services/ad-blocking

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