Stream: connection limiting module.

stream {
    limit_conn_zone $binary_remote_addr zone=perip:1m;
    limit_conn_log_level error;

    server {
        ...
        limit_conn perip 1;
    }
}

1 files changed, 9 insertions, 0 deletions

diff --git a/src/stream/ngx_stream_handler.c b/src/stream/ngx_stream_handler.c
index e4538b241..7b635fa4c 100644
--- a/src/stream/ngx_stream_handler.c
+++ b/src/stream/ngx_stream_handler.c
@@ -147,6 +147,15 @@ ngx_stream_init_connection(ngx_connection_t *c)
 
     cmcf = ngx_stream_get_module_main_conf(s, ngx_stream_core_module);
 
+    if (cmcf->limit_conn_handler) {
+        rc = cmcf->limit_conn_handler(s);
+
+        if (rc != NGX_DECLINED) {
+            ngx_stream_close_connection(c);
+            return;
+        }
+    }
+
     if (cmcf->access_handler) {
         rc = cmcf->access_handler(s);