blackhole lists (RBL)

Blackhole list

blackhole { address_match_list };

blackhole defines a address_match_list of hosts that the server will NOT respond to, or answer queries for. The default is 'none' (all hosts are responded to). This statement may only be used in a global options clause.

Blackhole Zone

Create a new master zone called dnsbl.example.com and edit it so it looks like this


$TTL 1H
@       SOA     auth1.example.com.      root.auth1.example.com. (       2
                                                3H
                                                1H
                                                1W
                                                1H )
                IN      NS      auth1.example.com.
                IN      A       172.16.118.136
128.25.168.192  IN      A       127.0.0.2
                IN      TXT     "Spam MOFO"

Add entries like the one in red for all of the spam sources