@@ -107,17 +107,19 @@ class http_connection(object):

         """

         debug(u'checking SSL subjectAltName as forgiving wildcard cert')

         san = cert.get('subjectAltName', ())

+        hostname = hostname.lower()

         cleaned_host_bucket_config = urlparse('https://' + Config.host_bucket).hostname

         for key, value in san:

             if key == 'DNS':

+                value = value.lower()

                 if value.startswith('*.s3') and \

                    (value.endswith('.amazonaws.com') and hostname.endswith('.amazonaws.com')) or \

                    (value.endswith('.amazonaws.com.cn') and hostname.endswith('.amazonaws.com.cn')):

                     return True

                 elif value == cleaned_host_bucket_config % \

-                               {'bucket': '*', 'location': Config.bucket_location} and \

+                               {'bucket': '*', 'location': Config.bucket_location.lower()} and \

                      hostname.endswith(cleaned_host_bucket_config % \

-                                       {'bucket': '', 'location': Config.bucket_location}):

+                                       {'bucket': '', 'location': Config.bucket_location.lower()}):

                     return True

         return False

@@ -270,12 +270,12 @@ class S3(object):

         elif bucket and check_bucket_name_dns_support(self.config.host_bucket, bucket):

             host = getHostnameFromBucket(bucket)

         else:

-            host = self.config.host_base

+            host = self.config.host_base.lower()

         debug('get_hostname(%s): %s' % (bucket, host))

         return host

     def set_hostname(self, bucket, redir_hostname):

-        S3Request.redir_map[bucket] = redir_hostname

+        S3Request.redir_map[bucket] = redir_hostname.lower()

     def format_uri(self, resource, base_path=None):

         bucket_name = resource.get('bucket')

@@ -527,7 +527,7 @@ def getBucketFromHostname(hostname):

 __all__.append("getBucketFromHostname")

 def getHostnameFromBucket(bucket):

-    return S3.Config.Config().host_bucket % { 'bucket' : bucket }

+    return S3.Config.Config().host_bucket.lower() % { 'bucket' : bucket }

 __all__.append("getHostnameFromBucket")