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Sets the DNS Cache Timeout in seconds.
|Component||Version||macOS||Windows||Server||FileMaker Cloud||FileMaker iOS SDK|
|curl||The CURL session handle.||$curl|
|Value||The new timeout in seconds.||60|
Returns "OK" on success.
DescriptionSets the DNS Cache Timeout in seconds.
Name resolves will be kept in memory for this number of seconds. Set to zero to completely disable caching, or set to -1 to make the cached entries remain forever. By default, libcurl caches this info for 60 seconds.
The name resolve functions of various libc implementations don't re-read name server information unless explicitly told so (for example, by calling res_init(3)). This may cause libcurl to keep using the older server even if DHCP has updated the server info, and this may look like a DNS cache issue to the casual libcurl-app user.
See also DNS_CACHE_TIMEOUT option in CURL manual.
Created 18th August 2014, last changed 18th August 2014
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