Chroot環境にする2015/05/27

BIND を chroot環境にします。 chroot環境移行後は、/var/named/chroot 配下に設定ファイルが移行されます。例えば named.conf は /var/named/chroot/etc/named.conf, ゾーンの設定ファイルは /var/named/chroot/var/named/xxx となります。各設定ファイルは元の場所にも残りますが、chroot環境移行後に設定を変更する際は chroot配下の方を変更してください。

[root@dlp ~]#

dnf -y install bind-chroot

[root@dlp ~]#

/usr/libexec/setup-named-chroot.sh /var/named/chroot on

[root@dlp ~]#

systemctl stop named

[root@dlp ~]#

systemctl disable named

[root@dlp ~]#

systemctl start named-chroot

[root@dlp ~]#

systemctl enable named-chroot

[root@dlp ~]#

ll /var/named/chroot/etc

total 24
-rw-r--r-- 1 root root   355 May 28 15:07 localtime
drwxr-x--- 2 root named    6 Mar  5 23:23 named
-rw-r----- 1 root named 2206 May 28 14:53 named.conf
-rw-r--r-- 1 root named 2389 Mar  5 23:23 named.iscdlv.key
-rw-r----- 1 root named  931 Jun 21  2007 named.rfc1912.zones
-rw-r--r-- 1 root named  487 Jul 19  2010 named.root.key
drwxr-x--- 3 root named   24 May 28 15:07 pki
-rw-r----- 1 root named   77 May 28 15:01 rndc.key

[root@dlp ~]#

ll /var/named/chroot/var/named

total 28
-rw-r--r-- 1 root  root   358 May 28 15:00 0.0.10.db
drwxr-x--- 7 root  named   56 May 28 15:07 chroot
drwxrwx--- 2 named named   22 May 28 15:01 data
drwxrwx--- 2 named named 4096 May 28 15:08 dynamic
-rw-r----- 1 root  named 2076 Jan 28  2013 named.ca
-rw-r----- 1 root  named  152 Dec 15  2009 named.empty
-rw-r----- 1 root  named  152 Jun 21  2007 named.localhost
-rw-r----- 1 root  named  168 Dec 15  2009 named.loopback
-rw-r--r-- 1 root  root   350 May 28 14:57 srv.world.lan
drwxrwx--- 2 named named    6 Mar  5 23:23 slaves