2 files changed, 2 insertions, 1 deletions
diff --git a/ext/openssl/lib/openssl/buffering.rb b/ext/openssl/lib/openssl/buffering.rb
index 61eb9dcc04..f07e5bc4c1 100644
--- a/ext/openssl/lib/openssl/buffering.rb
+++ b/ext/openssl/lib/openssl/buffering.rb
@@ -17,7 +17,7 @@
 module Buffering
   include Enumerable
   attr_accessor :sync
-  BLOCK_SIZE = 1024
+  BLOCK_SIZE = 1024*16
 
   #
   # for reading.
diff --git a/ext/openssl/ossl_ssl.c b/ext/openssl/ossl_ssl.c
index db28ed3640..3f25a077fb 100644
--- a/ext/openssl/ossl_ssl.c
+++ b/ext/openssl/ossl_ssl.c
@@ -103,6 +103,7 @@ ossl_sslctx_s_alloc(VALUE klass)
     if (!ctx) {
         ossl_raise(eSSLError, "SSL_CTX_new:");
     }
+    SSL_CTX_set_mode(ctx, SSL_MODE_ENABLE_PARTIAL_WRITE);
     SSL_CTX_set_options(ctx, SSL_OP_ALL);
     return Data_Wrap_Struct(klass, 0, ossl_sslctx_free, ctx);
 }