how to chroot jail bind security protecting BIND DNS Server name BIND9

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how to chroot jail bind security protecting BIND DNS Server name BIND9
Post Description: how to chroot jail bind security protecting BIND DNS Server name BIND9
Tags: how, to, chroot, jail, bind, security, protecting, BIND, DNS, Server, name, BIND9
This Post Was Posted On Feb 29, 2008 By web hosting #2189

how to chroot jail bind security protecting BIND DNS Server name BIND9 by web hosting

ok, i heard that you can do something to chroot bind to make it more secure.

how can i do that?

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hostman

#2257 1

this is how you do it?

login as root

send this command at the shell prompt:

yum install bind-chroot

once you have updated, you will see something like this:

Updated: bind-chroot.i386 31:9.4.1-6.1.fc7
Dependency Updated: bind.i386 31:9.4.1-6.1.fc7 bind-libs.i386 31:9.4.1-6.1.fc7 bind-utils.i386 31:9.4.1-6.1.fc7 caching-nameserver.i386 31:9.4.1-6.1.fc7
Complete!

now send these commands:

chmod 755 /var/named/
chmod 775 /var/named/chroot/
chmod 775 /var/named/chroot/var/
chmod 775 /var/named/chroot/var/named/
chmod 775 /var/named/chroot/var/run/
chmod 777 /var/named/chroot/var/run/named/
cd /var/named/chroot/var/named/
ln -s ../../ chroot

make named start at bootup everytime your computer starts:

chkconfig --levels 235 named on

now start DNS server with jail chroot

/etc/init.d/named start

Jul 09, 2007 Reply Report abuse