TSIG Dynamic Updates
(DNS Records window -> Tools menu -> TSIG Dynamic Updates)
These dialogs are used to setup transaction keys for TSIG authenticated dynamic DNS updates.
You should configure a unique TSIG key for each client making dynamic updates.
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Key Name
The key name must be specified in domain name format, but can otherwise be anything you wish.
The RFC recommendation is to use a name which identifies both the client and the server - for example "client.domain1.server.domain2".
However, it does not have to be part of or relate to any real domain name, and it works just as fine (and is probably easier) using just a simple name like "robert".
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Key Value
The key value is a binary value which must be specified base 64 encoded.
Click the "Generate" button to create a random or pass phrase based value.
Using a pass phrase based value makes it easier to copy the key to a client application which has the same function, but it also potentially makes the key value easier to guess.
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Domain names to allow updates for
Specify which domain names clients with this key are allowed to update.
