[CentOS] BIND: listen-on and allow-recursion
Niki Kovacs
contact at kikinovak.netFri Jun 18 11:22:04 UTC 2010
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Hi, I'm currently trying to get a grasp on DNS and Bind. I admit the documentation is quite confusing, either too laconic or way too detailed. So I'm trying to start from a working example, and then bite my way through it. I have a sample named.conf file from Carla Schroder's Linux Cookbook. In the opening global options, I have this : listen-on { 127.0.0.1; 10.11.12.1; }; allow-recursion { 127.0.0.0/8; 10.11.12.0/24; }; As far as I understand, the purpose of these two stanzas is to limit access to the DNS server to 1) the server itself and 2) the local 10.11.12.0/24 network. In that case, there seems to be some redundancy in the syntax. Correct me if I'm wrong. Can someone please explain (in plain words) the exact meaning of these stanzas ? Thanks, Niki
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