New Resource Limits
max-cache-ttl is a new option that sets the maximum TTL for caching of ordinary (positive) records. This overrides whatever might be set in the SOA record for the record, if it's higher than this value. This helps limit the size of the cache to some degree, but it also enables you to override excessively high TTL values. The default value is one week.
recursive-clients, defaulting to 1000, limits how many recursive queries can be in progress at any one time. If you have several clients, this might have to be increased. In fact, it has already proven to be too low, so the default might be much higher by the time you read this.
tcp-clients, defaulting to 100, limits how many simultaneous client connections over TCP named can ...
Get Concise Guide to DNS and BIND, The now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
