# {{ ansible_managed }}

{% if acl_caching_nameserver is defined and acl_caching_nameserver|length > 0 %}
{% for acl in acl_caching_nameserver %}

acl {{ acl.name }} {
{%    for entry in acl.entries %}
   {{ entry }}
{%    endfor %}
};
{% endfor %}
{% endif %}

options {
   directory "/var/cache/bind";

   // If there is a firewall between you and nameservers you want
   // to talk to, you may need to fix the firewall to allow multiple
   // ports to talk.  See http://www.kb.cert.org/vuls/id/800113

   // If your ISP provided one or more IP addresses for stable
   // nameservers, you probably want to use them as forwarders.
   // Uncomment the following block, and insert the addresses replacing
   // the all-0's placeholder.

   // forwarders {
   //    0.0.0.0;
   // };

   //========================================================================
   // If BIND logs error messages about the root key being expired,
   // you will need to update your keys.  See https://www.isc.org/bind-keys
   //========================================================================
   dnssec-validation auto;

   // version statement - inhibited for security
   // (avoids hacking any known weaknesses)
   version "not currently available";

   // disables all zone transfer requests
   allow-transfer{"none";};

   // caching name services
   recursion yes;

{% if acl_caching_nameserver is defined and acl_caching_nameserver|length > 0 %}
   listen-on port 53 {
      any ;
   };

   listen-on-v6 port 53 {
      any;
   };

   allow-recursion {
      127.0.0.1;
      ::1 ;
{% for acl in acl_caching_nameserver %}
      {{ acl.name }};
{% endfor %}
   };

{% else %}
   listen-on port 53 {
      127.0.0.1;
   };

   listen-on-v6 port 53 {
      ::1;
   };

   allow-recursion {
      127.0.0.1;
      ::1;
   };
{% endif %}
};

logging {
   channel simple_log {
      file "/var/log/named/bind.log" versions 3 size 5m;
      severity warning;
      print-time yes;
      print-severity yes;
      print-category yes;
   };
   channel queries_log {
      file "/var/log/named/query.log" versions 5 size 2m;
      severity info;
      print-time yes;
      print-severity yes;
      print-category no;
   };
   channel dnssec_log {
      file "/var/log/named/dnssec.log" versions 5 size 2m;
      severity debug 3;
      print-time yes;
      print-severity yes;
      print-category yes;
   };
   category resolver {
      queries_log;
   };
   category queries {
      queries_log;
   };
   category dnssec {
      dnssec_log;
   };
   category default{
      simple_log;
   };
};