} else if(sot_method.equals("put")){
log.debug("Call SOTProxyKeeper.put");
out.println(pk.put(proxy_str));
} else if(sot_method.equals("destroy")) {
log.debug("Call SOTProxyKeeper.destroy for " + dn);
out.println(pk.destroy(dn));
} else if(sot_method.equals("check")) {
log.debug("Call SOTProxyKeeper.check for " + dn);
out.println(pk.check(dn));
} else {
log.error("Method not found");