Open DNS server?

TheRudy · Jun 18, 2006

ERROR: One or more of your nameservers reports that it is an open DNS server. This usually means that anyone in the world can query it for domains it is not authoritative for (it is possible that the DNS server advertises that it does recursive lookups when it does not, but that shouldn't happen). This can cause an excessive load on your DNS server. Also, it is strongly discouraged to have a DNS server be both authoritative for your domain and be recursive (even if it is not open), due to the potential for cache poisoning (with no recursion, there is no cache, and it is impossible to poison it). Also, the bad guys could use your DNS server as part of an attack, by forging their IP address. Problem record(s) are:
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How to fix this? I don't like this message at all.

chrno · Jun 19, 2006

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Open DNS server?

TheRudy ISPConfig Developer ISPConfig Developer

chrno New Member

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Open DNS server?

TheRudy ISPConfig Developer ISPConfig Developer

chrno New Member

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