การติดตั้งและปรับแต่ง DNS Server แบบ Caching-Only

$ host www.cphow.com

www.cphow.com has address 202.43.35.234

$ host 202.43.35.234

234.35.43.202.in-addr.arpa domain name pointer www.cphow.com.

$ nslookup www.cphow.com

Server: 202.12.97.1

Address: 202.12.97.1#53

Name: www.cphow.com

Address: 202.43.35.234

# mount /dev/cdrom /mnt/cdrom

# cd /mnt/cdrom/Fedora/RPMS

# rpm -ihv bind-9.3.2-41.fc6.i386.rpm bind-chroot-9.3.2-41.fc6.i386.rpm

warning: bind-9.3.2-41.fc6.i386.rpm: Header V3 DSA signature: NOKEY, key ID 4f2a6fd2

Preparing... ########################################### [100%]

1:bind ########################################### [ 50%]

2:bind-chroot ########################################### [100%]

Locating /var/named/chroot//etc/named.conf failed:

[FAILED]

# cp /usr/share/doc/bind-9.3.2/sample/etc/named.conf /var/named/chroot/etc/named.conf

# cp /usr/share/doc/bind-9.3.2/sample/etc/named.root.hints /var/named/chroot/etc/

# cp /usr/share/doc/bind-9.3.2/sample/etc/named.rfc1912.zones /var/named/chroot/etc/

# cp -r /usr/share/doc/bind-9.3.2/sample/var/* /var/named/chroot/var/

[root@netserv etc]# /usr/sbin/dns-keygen

xxxxYhdtKBA5BnHdJnyNRp9dkFYLFcIFgOZsxxxx

จาก

key ddns_key

{

algorithm hmac-md5;

#secret "use /usr/sbin/dns-keygen to generate TSIG keys";

};

เป็น

key ddns_key

{

algorithm hmac-md5;

#secret "use /usr/sbin/dns-keygen to generate TSIG keys";

secret "xxxxYhdtKBA5BnHdJnyNRp9dkFYLFcIFgOZsxxxx";

};

จาก

options

{

...

// Put files that named is allowed to write in the data/ directory:

directory "/var/named"; // the default

dump-file "data/cache_dump.db";

statistics-file "data/named_stats.txt";

memstatistics-file "data/named_mem_stats.txt";

};

เป็น

options

{

...

// Put files that named is allowed to write in the data/ directory:

directory "/var/named"; // the default

dump-file "data/cache_dump.db";

statistics-file "data/named_stats.txt";

memstatistics-file "data/named_mem_stats.txt";

forwarders {

202.69.137.83;

202.47.249.4;

};

};

# /etc/init.d/named start

# /etc/init.d/named stop

# /etc/init.d/named restart