Resolver on the internet often use ports like 443, 4443, 5443 or 8443 and is currently not standardized but has more privacy features.ĭNSSEC = DNS Extension that allows a client to validate the dns response on supported domains and TLDs. DoH is standardized through IETF and standardport for resolvers is 443. It encrypts the traffic and prevents dns spoofing or man-in-the-middle-attacks. Thanks to mimugmail This plugin supports DNSCrypt ( ) and DNS over HTTPS (DoH) with DNSSEC and DNSBL.ĭNSCrypt or DNS over HTTPS = protocol that authenticates communications between a dns-client and a dns-resolver. Since opnsense 18.7.9 it is possible to use encrypted DNS with the opnsense-plugin "os-dnscrypt-proxy".
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