Add max_fragmented_header_block_size HTTP/2 option

1 files changed, 9 insertions, 0 deletions

diff --git a/doc/src/manual/cowboy_http2.asciidoc b/doc/src/manual/cowboy_http2.asciidoc
index 8eb3cf2..1d2619c 100644
--- a/doc/src/manual/cowboy_http2.asciidoc
+++ b/doc/src/manual/cowboy_http2.asciidoc
@@ -35,6 +35,7 @@ opts() :: #{
     max_connection_window_size     => 0..16#7fffffff,
     max_decode_table_size          => non_neg_integer(),
     max_encode_table_size          => non_neg_integer(),
+    max_fragmented_header_block_size => 16384..16#7fffffff,
     max_frame_size_received        => 16384..16777215,
     max_frame_size_sent            => 16384..16777215 | infinity,
     max_received_frame_rate        => {pos_integer(), timeout()},
@@ -172,6 +173,14 @@ Maximum header table size in bytes used by the encoder. The server will
 compare this value to what the client advertises and choose the smallest
 one as the encoder's header table size.
 
+max_fragmented_header_block_size (32768)::
+
+Maximum header block size when headers are split over multiple HEADERS
+and CONTINUATION frames. Clients that attempt to send header blocks
+larger than this value will receive an ENHANCE_YOUR_CALM connection
+error. Note that this value is not advertised and should be large
+enough for legitimate requests.
+
 max_frame_size_received (16384)::
 
 Maximum size in bytes of the frames received by the server. This value is