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        :param JWK account_key:
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        :param JWK account_public_key: Public key for the key pair
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        :return: ``True`` iff verification of the key authorization was
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        :param int port: Port used in the validation.

        :returns: ``True`` iff validation with the files currently served
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            HTTP server is successful.
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        s4Verification of key authorization in response faileds4Using
non-standard port for http-01 verification: %ss:{0}sVerifying %s at
%s...RBsUnable to reach %s: %ssReceived %s: %s. Headers: %ssEKey
authorization from response (%r) doesn't match HTTP response
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        :param int bits: Number of bits for newly generated key.

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        :param JWK account_public_key:
        :param OpenSSL.crypto.X509 cert: Optional certificate. If not
            provided (``None``) certificate will be retrieved using
            `probe_cert`.
        :param string host: IP address used to probe the certificate.
        :param int port: Port used to probe the certificate.


        :returns: ``True`` if and only if client's control of the
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validation.

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        :returns: ``True`` if TLS-ALPN-01 is supported on this machine,
``False`` otherwise.
        :rtype: bool

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response.

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