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A customer asked us to put on a DNS Resolver for its network.

What he requests is: A list of allowed domains (white list) that the dns resolver can answer (anche cache) Any other domains outside the whitelist must return a invalid dns record.

This is to allow access from his network to only few domains and block any other domains.

What software can i use? I have see powerdns recursor can be used with lua scripts but before try this way i ask if there is something already cooked...

Thank you Francesco

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You can use BIND or linux beacuse is free and open source or you can use DNS server on Widnwos server 2003/2008.

You must configure manual zone which you want to serve clients. You must to delete root hints servers from config.

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Thank you, but: suppose i want to use bind, how can i keep zone updated?. For example, I want to enable sites like gmail.com, how can i set up a manual zone for it and keep it updated? –  CeccoMe Oct 11 '12 at 11:51
    
Maybe you can use stub zone ? –  tasmanian_devil Oct 11 '12 at 18:48
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