ca_certs (string [https://docs.python.org/3.5/library/string.html#module- string]) – filename of CA certificates in PEM format, or Non to use defaults. See note below when used with curl_httpclient. client_key get_ssl_certificate(binary_form=False) Returns the client’s SSL certificate, if any. To use client certificates, the HTTPServer’s ssl.SSLContext.verify_mode [https://docs.python.org/3.5/library/ssl.html#ssl Changed in version 4.0: If no callback is given, returns a Future. Changed in version 4.2: SSL certificates are validated by default; pass ssl_options=dict(cert_reqs=ssl.CERT_NONE) or a suitably-configured

Chapter 6. Documentation Tornado Documentation, Release 6.1 • ca_certs (str) – filename of CA certificates in PEM format, or None to use defaults. See note below when used with curl_httpclient. • client_key Union[None, Dict[KT, VT], bytes] Returns the client’s SSL certificate, if any. To use client certificates, the HTTPServer’s ssl.SSLContext.verify_mode field must be set, e.g.: ssl_ctx = ssl.create_default_context(ssl Changed in version 4.0: If no callback is given, returns a Future. Changed in version 4.2: SSL certificates are validated by default; pass ssl_options=dict(cert_reqs=ssl.CERT_NONE) or a suitably-configured

requests, validate the server’s certificate? Default is True. • ca_certs (string) – filename of CA certificates in PEM format, or None to use de- faults. See note below when used with curl_httpclient. • client_key get_ssl_certificate(binary_form=False) Returns the client’s SSL certificate, if any. To use client certificates, the HTTPServer’s ssl.SSLContext.verify_mode field must be set, e.g.: ssl_ctx = ssl.create_default_context(ssl Changed in version 4.0: If no callback is given, returns a Future. Changed in version 4.2: SSL certificates are validated by default; pass ssl_options=dict(cert_reqs=ssl.CERT_NONE) or a suitably-configured

requests, validate the server’s certificate? Default is True. • ca_certs (str) – filename of CA certificates in PEM format, or None to use defaults. See note below when used with curl_httpclient. • client_key get_ssl_certificate(binary_form=False) Returns the client’s SSL certificate, if any. To use client certificates, the HTTPServer’s ssl.SSLContext.verify_mode field must be set, e.g.: ssl_ctx = ssl.create_default_context(ssl 104 Chapter 5. Documentation Tornado Documentation, Release 5.1.1 Changed in version 4.2: SSL certificates are validated by default; pass ssl_options=dict(cert_reqs=ssl.CERT_NONE) or a suitably-configured

requests, validate the server’s certificate? Default is True. • ca_certs (str) – filename of CA certificates in PEM format, or None to use defaults. See note below when used with curl_httpclient. • client_key False) → Union[None, Dict, bytes] Returns the client’s SSL certificate, if any. To use client certificates, the HTTPServer’s ssl.SSLContext.verify_mode field must be set, e.g.: ssl_ctx = ssl.create_default_context(ssl 106 Chapter 6. Documentation Tornado Documentation, Release 6.0.4 Changed in version 4.2: SSL certificates are validated by default; pass ssl_options=dict(cert_reqs=ssl.CERT_NONE) or a suitably-configured

requests, validate the server’s certificate? Default is True. • ca_certs (str) – filename of CA certificates in PEM format, or None to use defaults. See note below when used with curl_httpclient. • client_key False) → Union[None, Dict, bytes] Returns the client’s SSL certificate, if any. To use client certificates, the HTTPServer’s ssl.SSLContext.verify_mode field must be set, e.g.: ssl_ctx = ssl.create_default_context(ssl Changed in version 4.0: If no callback is given, returns a Future. Changed in version 4.2: SSL certificates are validated by default; pass ssl_options=dict(cert_reqs=ssl.CERT_NONE) or a suitably-configured

requests, validate the server’s certificate? Default is True. • ca_certs (str) – filename of CA certificates in PEM format, or None to use defaults. See note below when used with curl_httpclient. 88 Chapter False) → Union[None, Dict, bytes] Returns the client’s SSL certificate, if any. To use client certificates, the HTTPServer’s ssl.SSLContext.verify_mode field must be set, e.g.: ssl_ctx = ssl.create_default_context(ssl Changed in version 4.0: If no callback is given, returns a Future. Changed in version 4.2: SSL certificates are validated by default; pass ssl_options=dict(cert_reqs=ssl.CERT_NONE) or a suitably-configured

requests, validate the server’s certificate? Default is True. • ca_certs (str) – filename of CA certificates in PEM format, or None to use defaults. See note below when used with curl_httpclient. • client_key False) → Union[None, Dict, bytes] Returns the client’s SSL certificate, if any. To use client certificates, the HTTPServer’s ssl.SSLContext.verify_mode field must be set, e.g.: ssl_ctx = ssl.create_default_context(ssl Changed in version 4.0: If no callback is given, returns a Future. Changed in version 4.2: SSL certificates are validated by default; pass ssl_options=dict(cert_reqs=ssl.CERT_NONE) or a suitably-configured

requests, validate the server’s certificate? Default is True. • ca_certs (str) – filename of CA certificates in PEM format, or None to use defaults. See note below when used with curl_httpclient. • client_key False) → Union[None, Dict, bytes] Returns the client’s SSL certificate, if any. To use client certificates, the HTTPServer’s ssl.SSLContext.verify_mode field must be set, e.g.: ssl_ctx = ssl.create_default_context(ssl Changed in version 4.0: If no callback is given, returns a Future. Changed in version 4.2: SSL certificates are validated by default; pass ssl_options=dict(cert_reqs=ssl.CERT_NONE) or a suitably-configured

requests, validate the server’s certificate? Default is True. • ca_certs (str) – filename of CA certificates in PEM format, or None to use defaults. See note below when used with curl_httpclient. • client_key False) → Union[None, Dict, bytes] Returns the client’s SSL certificate, if any. To use client certificates, the HTTPServer’s ssl.SSLContext.verify_mode field must be set, e.g.: ssl_ctx = ssl.create_default_context(ssl Changed in version 4.0: If no callback is given, returns a Future. Changed in version 4.2: SSL certificates are validated by default; pass ssl_options=dict(cert_reqs=ssl.CERT_NONE) or a suitably-configured