diff --git a/lib/py/src/transport/TSSLSocket.py b/lib/py/src/transport/TSSLSocket.py
index d3263c6..dc6c1fb 100644
--- a/lib/py/src/transport/TSSLSocket.py
+++ b/lib/py/src/transport/TSSLSocket.py
@@ -47,8 +47,13 @@
     # SSL 2.0 and 3.0 are disabled via ssl.OP_NO_SSLv2 and ssl.OP_NO_SSLv3.
     # For python < 2.7.9, use TLS 1.0 since TLSv1_X nor OP_NO_SSLvX is
     # unavailable.
-    _default_protocol = ssl.PROTOCOL_TLS_CLIENT if _has_ssl_context else \
-        ssl.PROTOCOL_TLSv1
+    # For python < 3.6, use SSLv23 since TLS is not available
+    if sys.version_info < (3, 6):
+        _default_protocol = ssl.PROTOCOL_SSLv23 if _has_ssl_context else \
+            ssl.PROTOCOL_TLSv1
+    else:
+        _default_protocol = ssl.PROTOCOL_TLS_CLIENT if _has_ssl_context else \
+            ssl.PROTOCOL_TLSv1
 
     def _init_context(self, ssl_version):
         if self._has_ssl_context:
diff --git a/lib/py/src/transport/TSocket.py b/lib/py/src/transport/TSocket.py
index 51ea7e3..327dae0 100644
--- a/lib/py/src/transport/TSocket.py
+++ b/lib/py/src/transport/TSocket.py
@@ -22,6 +22,7 @@
 import os
 import socket
 import sys
+import platform
 
 from .TTransport import TTransportBase, TTransportException, TServerTransportBase
 
@@ -234,7 +235,10 @@
 
         self.handle = s = socket.socket(res[0], res[1])
         if s.family is socket.AF_INET6:
-            s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 0)
+            if platform.system() == 'Windows' and sys.version_info < (3, 8):
+                logger.warning('Windows socket defaulting to IPv4 for Python < 3.8: See https://github.com/python/cpython/issues/73701')
+            else:
+                s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 0)
         s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
         if hasattr(s, 'settimeout'):
             s.settimeout(None)