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--- |
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c: Copyright (C) Daniel Stenberg, <[email protected]>, et al. |
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SPDX-License-Identifier: curl |
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Long: cacert |
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Arg: <file> |
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Help: CA certificate to verify peer against |
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Protocols: TLS |
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Category: tls |
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Added: 7.5 |
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Multi: single |
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See-also: |
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- capath |
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- dump-ca-embed |
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- insecure |
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Example: |
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- --cacert CA-file.txt $URL |
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--- |
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# `--cacert` |
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Use the specified certificate file to verify the peer. The file may contain |
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multiple CA certificates. The certificate(s) must be in PEM format. Normally |
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curl is built to use a default file for this, so this option is typically used |
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to alter that default file. |
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curl recognizes the environment variable named 'CURL_CA_BUNDLE' if it is set |
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and the TLS backend is not Schannel, and uses the given path as a path to a CA |
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cert bundle. This option overrides that variable. |
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(Windows) curl automatically looks for a CA certs file named |
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'curl-ca-bundle.crt', either in the same directory as curl.exe, or in the |
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Current Working Directory, or in any folder along your PATH. |
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curl 8.11.0 added a build-time option to disable this search behavior, and |
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another option to restrict search to the application's directory. |
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(iOS and macOS only) If curl is built against Secure Transport, then this |
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option is supported for backward compatibility with other SSL engines, but it |
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should not be set. If the option is not set, then curl uses the certificates |
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in the system and user Keychain to verify the peer, which is the preferred |
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method of verifying the peer's certificate chain. |
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(Schannel only) This option is supported for Schannel in Windows 7 or later |
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(added in 7.60.0). This option is supported for backward compatibility with |
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other SSL engines; instead it is recommended to use Windows' store of root |
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certificates (the default for Schannel). |
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