03-08-2010
You can't use the same port for send and receive.
If you use a single PIPE for read and write then u can use the same port for send and receive.
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LEARN ABOUT FREEBSD
nsd-notify
nsd-notify(8) nsd 3.2.12 nsd-notify(8)
NAME
nsd-notify - program to send NOTIFY's to remote nameservers.
SYNOPSIS
nsd-notify [-4] [-6] [-h] [-a address[@port]] [-p port] [-y key:secret[:algorithm]] -z zone servers
DESCRIPTION
Nsd-notify is simple program to send NOTIFY's to remote nameservers. NSD is a complete implementation of an authoritative DNS nameserver.
OPTIONS
-4 Only send to IPv4 addresses.
-6 Only send to IPv6 addresses.
-h Print help information and exit.
-a address[@port]
Specify the source address (and port) to send from.
-p port
Specify the port to send to.
-y key:secret[:algorithm]
Specify a TSIG key and base64 encoded secret to sign the notification with. If the TSIG algorithm is not defined, MD5 is used.
z zone Specify the zone to notify about.
servers
List of nameservers to send to.
EXAMPLES
To run this program the standard way type:
# nsd-notify -z foobar.cz 1.2.3.4
SEE ALSO
nsd(8), nsdc(8), nsd.conf(5), nsd-checkconf(8), nsd-patch(8), nsd-xfer(8), zonec(8)
AUTHORS
NSD was written by NLnet Labs and RIPE NCC joint team. Please see CREDITS file in the distribution for further details.
NLnet Labs jul 19, 2012 nsd-notify(8)