mirror of
https://github.com/moparisthebest/curl
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8324dc8b1a
Extend the syntax of CURLOPT_RESOLVE strings: allow using a '+' prefix (similar to the existing '-' prefix for removing entries) to add DNS cache entries that will time out just like entries that are added by libcurl itself. Append " (non-permanent)" to info log message in case a non-permanent entry is added. Adjust relevant comments to reflect the new behavior. Adjust documentation. Extend unit1607 to test the new functionality. Closes #6294
37 lines
1.6 KiB
Makefile
37 lines
1.6 KiB
Makefile
Long: resolve
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Arg: <[+]host:port:addr[,addr]...>
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Help: Resolve the host+port to this address
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Added: 7.21.3
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Category: connection
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---
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Provide a custom address for a specific host and port pair. Using this, you
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can make the curl requests(s) use a specified address and prevent the
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otherwise normally resolved address to be used. Consider it a sort of
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/etc/hosts alternative provided on the command line. The port number should be
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the number used for the specific protocol the host will be used for. It means
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you need several entries if you want to provide address for the same host but
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different ports.
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By specifying '*' as host you can tell curl to resolve any host and specific
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port pair to the specified address. Wildcard is resolved last so any --resolve
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with a specific host and port will be used first.
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The provided address set by this option will be used even if --ipv4 or --ipv6
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is set to make curl use another IP version.
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By prefixing the host with a '+' you can make the entry time out after curl's
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default timeout (1 minute). Note that this will only make sense for long
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running parallel transfers with a lot of files. In such cases, if this option
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is used curl will try to resolve the host as it normally would once the
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timeout has expired.
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Support for providing the IP address within [brackets] was added in 7.57.0.
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Support for providing multiple IP addresses per entry was added in 7.59.0.
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Support for resolving with wildcard was added in 7.64.0.
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Support for the '+' prefix was was added in 7.75.0.
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This option can be used many times to add many host names to resolve.
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