Originally posted by Hydrogen2
Are you sure your settings are correct with your PS4 and router? Are you wireless or wired? Make sure you are setting your password correctly, and using the correct Network Settings, which I'll help you once I get home on my console sir.
They tampered and fixed that issue on 4.50. In addition, moving to 4.55 which actually enabled banning users by accident which again, they had fixed as well.