if (v->get_handler == NULL
&& ngx_strncasecmp(value[1].data, (u_char *) "http_", 5) != 0
&& ngx_strncasecmp(value[1].data, (u_char *) "sent_http_", 10) != 0
- && ngx_strncasecmp(value[1].data, (u_char *) "upstream_http_", 14) != 0)
+ && ngx_strncasecmp(value[1].data, (u_char *) "upstream_http_", 14) != 0
+ && ngx_strncasecmp(value[1].data, (u_char *) "cookie_", 7) != 0
+ && ngx_strncasecmp(value[1].data, (u_char *) "upstream_cookie_", 16)
+ != 0
+ && ngx_strncasecmp(value[1].data, (u_char *) "arg_", 4) != 0)
{
v->get_handler = ngx_http_rewrite_var;
v->data = index;