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-rw-r--r--src/http/ngx_http_request.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
index 7305af132..a9573a620 100644
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -1494,6 +1494,15 @@ ngx_http_process_request_headers(ngx_event_t *rev)
/* a header line has been parsed successfully */
+ if (r->headers_in.count++ >= cscf->max_headers) {
+ r->lingering_close = 1;
+ ngx_log_error(NGX_LOG_INFO, c->log, 0,
+ "client sent too many header lines");
+ ngx_http_finalize_request(r,
+ NGX_HTTP_REQUEST_HEADER_TOO_LARGE);
+ break;
+ }
+
h = ngx_list_push(&r->headers_in.headers);
if (h == NULL) {
ngx_http_close_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);