Advanced
The Advanced tab allows you to configure advanced settings for the DHCP server.
Configuration
| Item | Description | |
|---|---|---|
| Domain required | Do not forward DHCP-requests without DNS-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 resolve file. | |
| Bogus NX Domain Override | List of hosts that do not supply non-existent domain (NXDOMAIN) results. | |
| DNS forwarding | 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. | |
| Domain whitelist | List of domains to allow RFC1918 responses to. | |
| DNS server port | Listening port for inbound DHCP queries. | |
| DNS query port | Fixed source port for outbound DNS 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 DNS queries. |