Thứ Sáu, 16 tháng 8, 2013

DNS server caching

//
// named.caching-nameserver.conf
//
// Provided by Red Hat caching-nameserver package to configure the
// ISC BIND named(8) DNS server as a caching only nameserver
// (as a localhost DNS resolver only).
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//
// DO NOT EDIT THIS FILE - use system-config-bind or an editor
// to create named.conf - edits to this file will be lost on
// caching-nameserver package upgrade.
//
acl mynet {
        192.168.2.0/24;
};

options {
        listen-on port 53 { mynet; };
        listen-on-v6 port 53 { ::1; };
        directory       "/var/named";
        dump-file       "/var/named/data/cache_dump.db";
        statistics-file "/var/named/data/named_stats.txt";
memstatistics-file "/var/named/data/named_mem_stats.txt";

        // Those options should be used carefully because they disable port
        // randomization
        // query-source    port 53;
        // query-source-v6 port 53;
        forward first;
        forwarders {
                192.168.2.204;
        };

        allow-query     { mynet; };
        allow-query-cache { mynet; };
};


logging {
        channel default_debug {
                file "data/named.run";
                severity dynamic;
        };
};
view localhost_resolver {

        match-clients      { localhost; };
        match-destinations { localhost; };
        recursion yes;
        include "/etc/named.rfc1912.zones";

zone "hien.local" {
        type master;
        file "hien.local.zone";
        allow-query {
                        mynet;
        };
};
zone "2.168.192.in-addr.arpa" {
        type master;
        file "2.168.192.in-addr.arpa.zone";
        allow-query {
                        mynet;
        };
};
};

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