nginx 0.6.17 *) Feature: the "If-Range" request header line support. Thanks to Alexander V. Inyukhin. *) Bugfix: URL double escaping in a redirect of the "msie_refresh" directive; bug appeared in 0.6.4. *) Bugfix: the "autoindex" directive did not work with the "alias /" directive. *) Bugfix: a segmentation fault might occur in worker process if subrequests were used. *) Bugfix: the big responses may be transferred truncated if SSL and gzip were used. *) Bugfix: the $status variable was equal to 0 if a proxied server returned response in HTTP/0.9 version.

--- a/src/http/modules/ngx_http_index_module.c
+++ b/src/http/modules/ngx_http_index_module.c
@@ -279,7 +279,7 @@ ngx_http_index_test_dir(ngx_http_request
     ngx_open_file_info_t  of;
 
     c = *last;
-    if (c != '/') {
+    if (c != '/' || path == last) {
         /* "alias" without trailing slash */
         c = *(++last);
     }