There are many network attacks happening now, if you read the newspaper some of our government website has been deface and hacked, Indonesian group hacker is claiming this attacks.
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Install bind-chroot on both servers
# yum install bind-chroot
From Primary DNS
# dnssec-keygen -a HMAC-MD5 -b 128 -n HOST master-slave
Kmaster-slave.+157+50029
The output tells us the name of the file containing our new key: in this case
Kmaster-slave.+157+50029.private. The numbers are the DNSSEC algorithm
(157=HMACMD5), and the key's fingerprint (50029) which will probably be different on your machine
From Kmaster-slave+157.50029.private we will extract the shared key:
# cat Kmaster-slave+157.50029.private
Private-key-format: v1.2
Algorithm: 157 (HMAC_MD5)
Key: axdafafFTdafaCSDF090DSDs==
The key here is axdafafFTdafaCSDF090DSDs==; this will be different in your file. Keep track of this file;
we will need it for testing our configuration later.
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