diff -r 7860a42bcf98 Modules/_ssl.c
--- a/Modules/_ssl.c	Wed Mar 19 20:54:59 2014 -0500
+++ b/Modules/_ssl.c	Thu Mar 20 14:40:21 2014 -0400
@@ -376,6 +376,12 @@
     options = SSL_OP_ALL & ~SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS;
     if (proto_version != PY_SSL_VERSION_SSL2)
         options |= SSL_OP_NO_SSLv2;
+
+#ifdef SSL_OP_NO_COMPRESSION
+    /* Disable TLS compression by default */
+    options |= SSL_OP_NO_COMPRESSION;
+#endif
+
     SSL_CTX_set_options(self->ctx, options);
 
     verification_mode = SSL_VERIFY_NONE;