Nsupdate file example

You will need an include statement in your name server's named. This file must reference the exact keyname you created with dnssec-keygen. It does not work otherwise. Has to be. The secret key is, well, the key in that file. Test updating from www.

Make sure the script runs without error. Check to make sure that the timeout value in the above example is sane. If it is too low, meaning lower than your named. Unexpected, but possible. Mine looks like this:. When no local statement is provided, nsupdate will send updates using an address and port chosen by the system. If no port number is specified, the system will assign one. Specifies that all updates are to be made to the zone zonename. If no zone statement is provided, nsupdate will attempt determine the correct zone to update based on the rest of the input.

Specify the default time to live for records to be added. The value none will clear the default ttl. Specifies that all updates are to be TSIG-signed using the keyname keysecret pair. The key command overrides any key specified on the command line via -y or -k.

This is equivalent to specifying -g on the commandline. This is equivalent to specifying -o on the commandline. If no realm is specified the saved realm is cleared.

Requires that no resource record exists of the specified type , class and domain-name. If class is omitted, IN internet is assumed. This requires that a resource record of the specified type , class and domain-name must exist.

The data from each set of prerequisites of this form sharing a common type , class , and domain-name are combined to form a set of RRs. This set of RRs must exactly match the set of RRs existing in the zone at the given type , class , and domain-name. Deletes any resource records named domain-name. If type and data is provided, only matching resource records will be removed. The internet class is assumed if class is not supplied. The ttl is ignored, and is only allowed for compatibility.

Displays the current message, containing all of the prerequisites and updates specified since the last send. The TSIG key is redundantly stored in two separate files.

This is a consequence of nsupdate using the DST library for its cryptographic operations, and may change in future releases. Thanks for this example! Feel free to post other examples Oops! There is a tiny cockup. A damn cockup. Please contact the loosy team who maintains and develops this wonderful site by clicking in the mighty feedback button on the side of the page.

Say what happened. How can this site be more helpful to YOU? Hate it? This is feasible only because this is a hidden dns server. Nobody else connects to it except what I control. My public DNS servers are mirrors of this server.

More blog posts are coming up soon. You must be logged in to post a comment. This previous post might also be useful. Creating a key Keys for this purpose can be generated with dnssec-keygen , which came as part of bind-tools What is in those files? Use the value from the dnssec-keygen command, not from the.

Why am I being so specific?