nproxy − DNS notification proxy
nproxy −−powerdns−address ADDRESS [OPTION]... ADDRESS...
nproxy is a simple daemon that reads DNS NOTIFY queries on one address and forwards them to an 'inner' nameserver that will process the notification.
Its usecase is e.g. a private authoritative server inside a NAT or firewalled LAN where nproxy is deployed in the DMZ.
The PowerDNS Authoritative Server has the trusted−notification−proxy option that should be set to the address set with −−origin−address to accept these proxied notifications.
nproxy also has a health−check option built in. A query for 'pdns.nproxy.' with QType 'TXT' will be responded to with an answer of "OK" (inside the TXT record. When the query is for an A−record, '1.2.3.4.' is returned.
−−powerdns−address <ADDRESS>
IP address of the PowerDNS server to forward the notifications to.
−−chroot <PATH>
chroot to PATH for additional security.
−−setuid <UID>
setuid to this numerical UID.
−−setgid <GID>
setgid to this numerical GID.
−−origin−address <ADDRESS>
Set the source of the notifications sent to PowerDNS to ADDRESS. By default, the best matching address (kernel's choice) is used.
−−listen−address <ADDRESS>
IP addresses to listen on.
−−listen−port <PORT>
Source port to listen on, 53 by default.
−d,−−daemon <ARG>
Set ARG to 0 to disable running in the background.
−v, −−verbose
Be verbose
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