Issue #20896: ssl.get_server_certificate() now uses PROTOCOL_SSLv23, not PROTOCOL_SSLv3, for maximum compatibility.

1 files changed, 1 insertions, 1 deletions

diff --git a/Lib/ssl.py b/Lib/ssl.py
index d3c18ed..d2be3ce 100644
--- a/Lib/ssl.py
+++ b/Lib/ssl.py
@@ -922,7 +922,7 @@ def PEM_cert_to_DER_cert(pem_cert_string):
     d = pem_cert_string.strip()[len(PEM_HEADER):-len(PEM_FOOTER)]
     return base64.decodebytes(d.encode('ASCII', 'strict'))
 
-def get_server_certificate(addr, ssl_version=PROTOCOL_SSLv3, ca_certs=None):
+def get_server_certificate(addr, ssl_version=PROTOCOL_SSLv23, ca_certs=None):
     """Retrieve the certificate from the server at the specified address,
     and return it as a PEM-encoded string.
     If 'ca_certs' is specified, validate the server cert against it.