NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT  422 src/http/ngx_http_upstream.c     { ngx_string("X-Accel-Redirect"), NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT },
NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT 2434 src/http/ngx_http_upstream.c         && !(u->conf->ignore_headers & NGX_HTTP_UPSTREAM_IGN_XA_REDIRECT))