CentOS Stream 10
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BIND : Configure Chroot Environment2024/12/27

 

If you'd like to configure Chroot Environment for named, Set like follows.

[1] After setting Chroot environment, configuration files are placed under [/var/named/chroot].
[named.conf] is placed under [/var/named/chroot/etc/named.conf], zone files are placed [/var/named/chroot/var/named/***].
When modify settings, Change them under [/var/named/chroot] files.
[root@dlp ~]#
dnf -y install bind-chroot
[root@dlp ~]#
mkdir /var/named/chroot/usr/lib64/named

[root@dlp ~]#
/usr/libexec/setup-named-chroot.sh /var/named/chroot on
[root@dlp ~]#
systemctl disable --now named

[root@dlp ~]#
systemctl enable --now named-chroot

Created symlink '/etc/systemd/system/multi-user.target.wants/named-chroot.service' → '/usr/lib/systemd/system/named-chroot.service'.

[root@dlp ~]#
ll /var/named/chroot/etc

total 716
drwxr-x---. 3 root named     23 Dec 27 11:08 crypto-policies
-rw-r--r--. 2 root root     309 Apr 18  2024 localtime
drwxr-x---. 2 root named      6 Oct 29 09:00 named
-rw-r-----. 1 root named   2540 Dec 27 10:48 named.conf
-rw-r-----. 1 root named   1034 Oct 29 09:00 named.rfc1912.zones
-rw-r--r--. 1 root named    686 Oct 29 09:00 named.root.key
drwxr-x---. 3 root named     25 Dec 27 11:08 pki
-rw-r--r--. 1 root root    6714 Nov 29  2023 protocols
-rw-r-----. 1 root named    100 Dec 27 10:33 rndc.key
-rw-r--r--. 1 root root  701707 Nov 29  2023 services

[root@dlp ~]#
ll /var/named/chroot/var/named

total 24
-rw-r--r--. 1 root  root   384 Dec 27 10:38 0.0.10.db
drwxr-x---. 8 root  named   73 Dec 27 11:08 chroot
drwxrwx---. 2 named named   23 Dec 27 10:34 data
drwxrwx---. 2 named named  108 Dec 27 11:09 dynamic
-rw-r-----. 1 root  named 3314 Oct 29 09:00 named.ca
-rw-r-----. 1 root  named  152 Oct 29 09:00 named.empty
-rw-r-----. 1 root  named  152 Oct 29 09:00 named.localhost
-rw-r-----. 1 root  named  168 Oct 29 09:00 named.loopback
drwxrwx---. 2 named named    6 Oct 29 09:00 slaves
-rw-r--r--. 1 root  root   444 Dec 27 11:06 srv.world.lan
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