If you are still having issues connecting to PSN since Christmas day, heres a fix that will get you back online. The Playstation network has been down due to denial of service attacks on the network and although the service is coming back up for most people, some are still having issues connecting. Here is how to fix that: Go to Settings / Network / Set Up Internet Connection on your PS4 Select 'Custom' change MTU from 1500 to 1473 Do not change anything else! Once all the issues with the PSN DNS servers have been fully resolved you will to change it back to 1500. This is just a quick fix for those that are desperate to connect to PSN right now, all services are being fully restored right now by Sony.