페이지 이력

[root@dns ~]# systemctl stop firewalld
[root@dns ~]# systemctl disable firewalld

[root@dns ~]# cd /run/media/root/OL-7.6\ Server.x86_64/Packages

[root@dns Packages]# rpm -ivh python-ply-3.4-11.el7.noarch.rpm
경고: python-ply-3.4-11.el7.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID ec551f03: NOKEY
준비 중...                         ################################# [100%]
Updating / installing...
   1:python-ply-3.4-11.el7            ################################# [100%]

[root@dns Packages]# rpm -ivh bind-9.9.4-72.el7.x86_64.rpm
경고: bind-9.9.4-72.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID ec551f03: NOKEY
준비 중...                         ################################# [100%]
Updating / installing...
   1:bind-32:9.9.4-72.el7             ################################# [100%]

[root@dns Packages]# rpm -ivh bind-chroot-9.9.4-72.el7.x86_64.rpm
경고: bind-chroot-9.9.4-72.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID ec551f03: NOKEY
준비 중...                         ################################# [100%]
Updating / installing...
   1:bind-chroot-32:9.9.4-72.el7      ################################# [100%]

[root@dns Packages]# cd
[root@dns ~]# eject

[root@dns ~]# /usr/libexec/setup-named-chroot.sh /var/named/chroot on
[root@dns ~]# systemctl stop named
[root@dns ~]# systemctl disable named
[root@dns ~]# systemctl start named-chroot
[root@dns ~]# systemctl enable named-chroot
Created symlink from /etc/systemd/system/multi-user.target.wants/named-chroot.service to /usr/lib/systemd/system/named-chroot.service.

[root@dns ~]# cat /var/named/chroot/etc/named.conf
//
// named.conf
//
// Provided by Red Hat bind 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.
//
// See the BIND Administrator's Reference Manual (ARM) for details about the
// configuration located in /usr/share/doc/bind-{version}/Bv9ARM.html

options {
        listen-on port 53 { 127.0.0.1; 10.0.1.150; };
        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";
        recursing-file  "/var/named/data/named.recursing";
        secroots-file   "/var/named/data/named.secroots";
        allow-query     { localhost; 10.0.1.0/24; };

        /*
         - If you are building an AUTHORITATIVE DNS server, do NOT enable recursion.
         - If you are building a RECURSIVE (caching) DNS server, you need to enable
           recursion.
         - If your recursive DNS server has a public IP address, you MUST enable access
           control to limit queries to your legitimate users. Failing to do so will
           cause your server to become part of large scale DNS amplification
           attacks. Implementing BCP38 within your network would greatly
           reduce such attack surface
        */
        recursion yes;

        dnssec-enable yes;
        dnssec-validation yes;

        /* Path to ISC DLV key */
        bindkeys-file "/etc/named.iscdlv.key";

        managed-keys-directory "/var/named/dynamic";

        pid-file "/run/named/named.pid";
        session-keyfile "/run/named/session.key";
};

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

zone "." IN {
        type hint;
        file "named.ca";
};

include "/etc/named.rfc1912.zones";
include "/etc/named.root.key";

[root@dns ~]# cat /var/named/chroot/etc/named.rfc1912.zones
// named.rfc1912.zones:
//
// Provided by Red Hat caching-nameserver package
//
// ISC BIND named zone configuration for zones recommended by
// RFC 1912 section 4.1 : localhost TLDs and address zones
// and http://www.ietf.org/internet-drafts/draft-ietf-dnsop-default-local-zones-02.txt
// (c)2007 R W Franks
//
// See /usr/share/doc/bind*/sample/ for example named configuration files.
//

zone "localdomain." IN {
        type master;
        file "localdomain.zone";
        allow-update { none; };
};

zone "1.0.10.in-addr.arpa." IN {
        type master;
        file "1.0.10.in-addr.arpa";
        allow-update { none; };
};

zone "localhost.localdomain" IN {
        type master;
        file "named.localhost";
        allow-update { none; };
};

zone "localhost" IN {
        type master;
        file "named.localhost";
        allow-update { none; };
};

zone "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" IN {
        type master;
        file "named.loopback";
        allow-update { none; };
};

zone "1.0.0.127.in-addr.arpa" IN {
        type master;
        file "named.loopback";
        allow-update { none; };
};

zone "0.in-addr.arpa" IN {
        type master;
        file "named.empty";
        allow-update { none; };
};

[root@dns ~]# chown root:named /var/named/chroot/var/named/localdomain.zone
[root@dns ~]# chown root:named /var/named/chroot/var/named/1.0.10.in-addr.arpa
[root@dns ~]# systemctl restart named-chroot

[root@dns ~]# nslookup rac-scan.localdomain
Server: