RESPONDERD(1) NetBSD General Commmands Manual REPONDERD(1)
responderd - a Multicast DNS responder and querier
responderd [-dhv] [-f conffile] [interfaces ...]
The daemon is a multicast DNS responder and querier, accordind to zero-
confd draft. It answer to other hosts queries and send query for the pro-
cesses running on this host.
On startup it reads the records it must answer from the file
/etc/responder.conf. Then it start listening on every interface of the
host. It listen to ipv4 address 126.96.36.199 and to ipv6 address ff02::fb
on port 5353.
Besides the records listed in the configuration file, it creates a record
for the addresses of every interface it in running on with the name
hostname.local. Since these should be unique records it probes for them.
If there is a conflicts the name is changed in hostname-n.local, where n
in a number that is incremented every conflict.
The daemon also listens to local socket /tmp/responderd. Clients whishing
to make multicast dns queries or to register new records should use
libmdns(3) to talk to the daemon through this socket.
The daemon also keeps a cache of records it learns from its own query and
by listening to other hosts queries and responses.
Only one instance of responderd is needed on one host. After being
launched the daemon forks and runs in background. Errors are reported via
-d Run in debug mode. Don't fork, write errors and debug
mesages to stderr.
-h Print help information.
-v Show versions.
-f conffile Reads configuration from conffile
interfaces Run only on interfaces.
ip(4) ip6(4) netintro(4) libmdns(3) libnss_mdns(3) zeroconfd(1)
Cheshire S. and Krochmal M., Multicast DNS, draft-cheshire-dnsext-
Silvio Valenti <firstname.lastname@example.org>
NetBSD 2.0 August 31, 2005 NetBSD 2.0
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