Advanced

The Advanced tab allows you to configure advanced settings for the DHCP server.

Item Description
Domain required Do not forward DHCP-requests without DHCP-Name.
Authoritative This is the only DHCP in the local network.
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.
Local server Domain resolved from DHCP or hosts files only.
Expand hosts Add local domain suffix to names served from hosts files.
No negative cache Do not cache negative replies.
Strict order DHCP servers will be queried in the order of the resolvfile.
Bogus NX Domain Override List of hosts that do not supply non-existent domain (NXDOMAIN) results.
DHCP forwarding List of DHCP servers to forward requests to.
Rebind protection Discard upstream RFC1918 responses.
Allow localhost Allow upstream responses in the 127.0.0.0/8 range.
Domain whitelist List of domains to allow RFC1918 responses to.
DHCP server port Listening port for inbound DHCP queries.
DHCP query port Fixed source port for outbound DHCP queries.
Max DHCP leases Maximum allowed number of active DHCP leases.
Max. EDNS0 packet size Maximum size of EDNS0 UDP packets.
Max. concurrent queries Maximum number of concurrent DHCP queries.