Added changes to stop auth attempts after an error

server/util-server.js

@@ -413,12 +413,14 @@ exports.radius = function (
 exports.redisPingAsync = function (dsn) {
     return new Promise((resolve, reject) => {
         const client = redis.createClient({
-            url: dsn,
+            url: dsn
         });
         client.on("error", (err) => {
+            client.disconnect();
             reject(err);
         });
         client.connect().then(() => {
+            if(client.isOpen){
                 client.ping().then((res, err) => {
                     if (client.isOpen) {
                         client.disconnect();
@@ -429,6 +431,7 @@ exports.redisPingAsync = function (dsn) {
                         resolve(res);
                     }
                 });
+            }   
         });
     });
 };