diff --git a/src/http/v2/ngx_http_v2.c b/src/http/v2/ngx_http_v2.c

index d0cd2ab..8d3eaf8 100644

--- a/src/http/v2/ngx_http_v2.c

+++ b/src/http/v2/ngx_http_v2.c

@@ -649,6 +649,7 @@ ngx_http_v2_handle_connection(ngx_http_v2_connection_t *h2c)

     h2c->pool = NULL;

     h2c->free_frames = NULL;

+    h2c->frames = 0;

     h2c->free_fake_connections = NULL;

 #if (NGX_HTTP_SSL)

@@ -2615,7 +2616,7 @@ ngx_http_v2_get_frame(ngx_http_v2_connection_t *h2c, size_t length,

         frame->blocked = 0;

-    } else {

+    } else if (h2c->frames < 10000) {

         pool = h2c->pool ? h2c->pool : h2c->connection->pool;

         frame = ngx_pcalloc(pool, sizeof(ngx_http_v2_out_frame_t));

@@ -2639,6 +2640,15 @@ ngx_http_v2_get_frame(ngx_http_v2_connection_t *h2c, size_t length,

         frame->last = frame->first;

         frame->handler = ngx_http_v2_frame_handler;

+

+        h2c->frames++;

+

+    } else {

+        ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0,

+                      "http2 flood detected");

+

+        h2c->connection->error = 1;

+        return NULL;

     }

 #if (NGX_DEBUG)

diff --git a/src/http/v2/ngx_http_v2.h b/src/http/v2/ngx_http_v2.h

index 9e738aa..c22d879 100644

--- a/src/http/v2/ngx_http_v2.h

+++ b/src/http/v2/ngx_http_v2.h

@@ -115,6 +115,7 @@ struct ngx_http_v2_connection_s {

     ngx_http_connection_t           *http_connection;

     ngx_uint_t                       processing;

+    ngx_uint_t                       frames;

     size_t                           send_window;

     size_t                           recv_window;