Closing Open DNS Problem on BIND

August 1st, 2007 Posted in RevTI, System Administration

Today I’m installing new CPanel server which come with BIND on it. After finished installing, I look at DNSReport website and found out that the DNS server have “open DNS” problem.

Here is easy fix for open DNS problem, all you need to do is modify your

/etc/named.conf

file to look like this:

acl "trusted" {
      11.22.33.44;
      44.33.22.11;
      66.55.44.33;
      127.0.0.1;
};
 
options {
      directory "/var/named";
      version "not currently available";
      allow-recursion { trusted; };
      allow-notify { trusted; };
      allow-transfer { trusted; };
};

Where all IP addresses are your nameserver IPs, including cluster server IP if you set it.

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