--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -788,16 +788,31 @@ ngx_http_process_request_line(ngx_event_
 
             p = r->uri.data + r->uri.len - 1;
 
-            if (*p == '.' || *p == ' ') {
-
-                while (--p > r->uri.data && (*p == '.' || *p == ' ')) {
-                    /* void */
+            while (p > r->uri.data) {
+
+                if (*p == ' ') {
+                    p--;
+                    continue;
+                }
+
+                if (*p == '.') {
+                    p--;
+                    continue;
                 }
 
+                if (ngx_strncasecmp(p - 6, (u_char *) "::$data", 7) == 0) {
+                    p -= 7;
+                    continue;
+                }
+
+                break;
+            }
+
+            if (p != r->uri.data + r->uri.len - 1) {
                 r->uri.len = p + 1 - r->uri.data;
-
                 ngx_http_set_exten(r);
             }
+
             }
 #endif