xfr_probe_send_probe
if(xfr_probe_send_probe(xfr, env, xfr->task_probe->timeout*2)) {
if(xfr_probe_send_probe(xfr, env, AUTH_PROBE_TIMEOUT)) {
if(xfr_probe_send_probe(xfr, env, xfr->task_probe->timeout*2)) {
if(xfr_probe_send_probe(xfr, env, AUTH_PROBE_TIMEOUT)) {