Clarify request of client certificates. This is a FAQ.
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@@ -17,6 +17,12 @@ peer presented. If the peer did not present a certificate, NULL is returned.
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=head1 NOTES
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Due to the protocol definition, a TLS/SSL server will always send a
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certificate, if present. A client will only send a certificate when
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explicitely requested to do so by the server (see
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L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>). If an anonymous cipher
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is used, no certificates are sent.
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That a certificate is returned does not indicate information about the
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verification state, use L<SSL_get_verify_result(3)|SSL_get_verify_result(3)>
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to check the verification state.
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@@ -43,6 +49,7 @@ The return value points to the certificate presented by the peer.
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=head1 SEE ALSO
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L<ssl(3)|ssl(3)>, L<SSL_get_verify_result(3)|SSL_get_verify_result(3)>
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L<ssl(3)|ssl(3)>, L<SSL_get_verify_result(3)|SSL_get_verify_result(3)>,
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L<SSL_CTX_set_verify(3)|SSL_CTX_set_verify(3)>
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=cut
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