DNS Slave Zone Requests from the Internet Timing Out

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    I have some history concerning this topic posted in the Firewall, Traffic Shaping and Net Balancer forum:


    Slave zones have been setup on the Internet facing Zeroshell instance from a name server on the Intranet. Querying a slave zone on the name server from the local Intranet works. Making the same query from the Internet times-out.

    Originally I added to DNS Clients, but this opens the instance up to a DNS Amplification attack (see post mentioned above). I tried adding query-allow{;} to DNS Options but this did not work. It creates two query-allow entries in named.conf which results in:

    /tmp/named.conf:17: ‘allow-query’ redefined near ‘allow-query’

    Where do I go from here?

    Thank you!!


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