https://coredns.io/tags/acl/ Recent content in acl on CoreDNS: DNS and Service Discovery Hugo -- gohugo.io en-us CoreDNS - All Rights Reserved Tue, 07 Feb 2023 20:00:01 +0000 https://coredns.io/plugins/acl/ Tue, 07 Feb 2023 20:00:01 +0000 https://coredns.io/plugins/acl/ Description With acl enabled, users are able to block or filter suspicious DNS queries by configuring IP filter rule sets, i.e. allowing authorized queries or blocking unauthorized queries. When evaluating the rule sets, acl uses the source IP of the TCP/UDP headers of the DNS query received by CoreDNS. This source IP will be different than the IP of the client originating the request in cases where the source IP of the request is changed in transit.