Comset CM820V-4, User Manual

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CM820V-4 User Manual
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 Log queries : Write received DNS requests to syslog.
 DNS forwardings : List of DNS servers to forward requests to.
 Rebind protection : Discard upstream RFC1918 responses.
 Allow localhost : Allow upstream responses in the 127.0.0.0/8 range, e.g. for RBL services.
 Domain whitelist : List of domains to allow RFC1918 responses for.
 Suppress logging : Suppress logging of the routine operation of these protocols.
 Allocate IP sequentially : Allocate IP addresses sequentially, starting from the lowest
available address.
 Filter private : Do not forward reverse lookups for local networks.
 Filter useless : Do not forward requests that cannot be answered by public name servers.
 Localise queries : Localise hostname depending on the requesting subnet if multiple IPs are
available.
 Expand hosts : Add local domain suffix to names served from hosts files.
 No negative cache : Do not cache negative replies, e.g. for non existing domains.