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pfBlockerNG vs AdGuard Home: catalog facts
pfBlockerNG	AdGuard Home
Free Installed as a package within pfSense software; the documentation lists no separate…	Free Free and open source under the GPL 3.0. AdGuard also sells a hosted AdGuard DNS service…
Self-hosted	Windows, macOS, Linux, Web, Self-hosted
Network-wide IP and DNS blocklists from the firewall Country and IP range blocking	Acts as a DNS-over-HTTPS, DNS-over-TLS and DNS-over-QUIC server itself One binary with a web interface, so installation is straightforward
Only runs on pfSense Many options make setup involved for newcomers	Run by a company that also sells blocking products, so the free tier is marketing Over-blocking breaks sites, as with any DNS blocker
Self-hosted	Self-hosted
Closed source	Open source
License not stated	License: GPL-3.0
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 21, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.