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Special Forums IP Networking Question about blocking incomming traffic Post 302865755 by bakunin on Saturday 19th of October 2013 03:23:55 PM
Old 10-19-2013
Quote:
Originally Posted by RudiC
Sure the remote server uses local port 80 to send pages back? I don't think so; it will use the originating port...
OOps, you are right. Somehow, during the several sessions it took to write the answer, i managed to confuse myself. Thanks for the correction.

bakunin
 

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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)
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