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Diffstat (limited to 'src/http/v2/ngx_http_v2.c')
-rw-r--r--src/http/v2/ngx_http_v2.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/src/http/v2/ngx_http_v2.c b/src/http/v2/ngx_http_v2.c
index b916ebdf6..8089ddd58 100644
--- a/src/http/v2/ngx_http_v2.c
+++ b/src/http/v2/ngx_http_v2.c
@@ -662,6 +662,7 @@ 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)
@@ -2895,7 +2896,7 @@ 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));
@@ -2919,6 +2920,15 @@ 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)