relnote: Clear the FEC group in QuicPacketCreator when encryption_level is none and close the conne…

net/quic/quic_flags.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/quic_flags.h"
 
 // When true, the use time based loss detection instead of nack.
 bool FLAGS_quic_use_time_loss_detection = false;
 
 // If true, it will return as soon as an error is detected while validating
 // CHLO.
 bool FLAGS_use_early_return_when_verifying_chlo = true;
 
 // If true, QUIC connections will support FEC protection of data while sending
 // packets, to reduce latency of data delivery to the application. The client
 // must also request FEC protection for the server to use FEC.
-bool FLAGS_enable_quic_fec = false;
+bool FLAGS_enable_quic_fec = true;
 
 // When true, defaults to BBR congestion control instead of Cubic.
 bool FLAGS_quic_use_bbr_congestion_control = false;
 
 // If true, QUIC BBR congestion control may be enabled via Finch and/or via QUIC
 // connection options.
 bool FLAGS_quic_allow_bbr = false;
 
 // Time period for which a given connection_id should live in the time-wait
 // state.
@@ skipping 74 matching lines @@
 // robin of one packet per session when ack clocked or paced.
 bool FLAGS_quic_batch_writes = true;
 
 // If true, QUIC sessions will write block streams that attempt to write
 // unencrypted data.
 bool FLAGS_quic_block_unencrypted_writes = true;
 
 // If true, Close the connection instead of writing unencrypted stream data.
 bool FLAGS_quic_never_write_unencrypted_data = true;
 
+// If true, clear the FEC group instead of sending it with ENCRYPTION_NONE.
+// Close the connection if we ever try to serialized unencrypted FEC.
+bool FLAGS_quic_no_unencrypted_fec = true;
+
 // If true, reject any incoming QUIC which does not have the FIXD tag.
 bool FLAGS_quic_require_fix = true;
 
 // If true, QUIC supports sending trailers from Server to Client.
 bool FLAGS_quic_supports_trailers = true;
 
 // Fixes a bug in QUIC_VERSION_26 by always using the primary config when
 // getting the proof of possession.
 bool FLAGS_quic_use_primary_config_for_proof = true;
 
@@ skipping 13 matching lines @@
 bool FLAGS_quic_inplace_encryption = true;
 
 // If true, QUIC will support RFC 7539 variants of ChaCha20 Poly1305.
 bool FLAGS_quic_use_rfc7539 = true;
 
 // If true, drop not awaited QUIC packets before decrypting them.
 bool FLAGS_quic_drop_non_awaited_packets = false;
 
 // If true, use the fast implementation of IncrementalHash/FNV1a_128_Hash.
 bool FLAGS_quic_utils_use_fast_incremental_hash = true;