When configuring the Grid to capture DNS queries and responses, you can choose to save the capture file locally on your appliance, or configure an SCP (Secure Copy) server and provide the credentials for the users configured on the Data Connector.
The DNS queries and responses captured on an IB-4030 appliance does not contain cached query information.
A capture file for logging DNS queries and responses is rolled over based on the configured time limit or when the file reaches 100 MB in size, whichever is sooner. The default time limit is 10 minutes. The capture file is automatically saved and exported to an SCP server based on your configuration. When you configure the appliance to save the capture file locally and later enable SCP, the appliance copies all the data starting with the oldest data. Infoblox recommends that you constantly monitor the SCP server to ensure that it has sufficient disk space. DNS queries and responses are stored on the appliance if the SCP server becomes unreachable. The maximum storage capacity varies based on the appliance model. After reaching the maximum limit, the appliance overwrites the old data with the new one. The amount of data captured depends on the DNS query rate and the domains that are included in or excluded from the capture. For information about how to exclude domains, see Viewing Registered Data Connector Details.
For more information on configuring DNS queries and responses , see the following:
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