-https://bugzilla.mozilla.org/show_bug.cgi?id=1290037
---- firefox-50.1.0/netwerk/protocol/http/Http2Session.cpp.orig 2016-10-31 21:15:27.000000000 +0100
-+++ firefox-50.1.0/netwerk/protocol/http/Http2Session.cpp 2017-01-09 17:45:38.639941993 +0100
-@@ -3542,8 +3542,8 @@
- LOG3(("Http2Session::ConfirmTLSProfile %p FAILED due to DH %d < 2048\n",
- this, keybits));
- RETURN_SESSION_ERROR(this, INADEQUATE_SECURITY);
-- } else if (kea == ssl_kea_ecdh && keybits < 256) { // 256 bits is "security level" of 128
-- LOG3(("Http2Session::ConfirmTLSProfile %p FAILED due to ECDH %d < 256\n",
-+ } else if (kea == ssl_kea_ecdh && keybits < 224) { // see rfc7540 9.2.1.
-+ LOG3(("Http2Session::ConfirmTLSProfile %p FAILED due to ECDH %d < 224\n",
- this, keybits));
- RETURN_SESSION_ERROR(this, INADEQUATE_SECURITY);
- }