From the main menu go to settings then network settings select media server connection and pick disable from the menu on the right. Make sure to enable these tcpudp ports in both directions and are entered into the tcp and udp port fields in.

Linksys Official Support How To Delete The Network Settings
Ps3 not connecting to internet. Check your router manual to connect. On the proxy server screen select do not use to disable it. Test your network test your home network by connecting to the internet on another device. Choose internet connection settings advance settings from the list of network settings select custom then choose. A router is a device that allows multiple devices to connect to a single internet line. Turn on the ps3.
Wait a few minutes before turning them back on this will refresh. If the ps3 is connected to a modem using an ethernet cable the wireless function will be turned off. Select settingsnetwork settings on the xmb and click the x button. Check the upnp item. Unplug any usb devices connected to your modem. Confirm that an ethernet cable is not connected to the ps3 system.
Choose internet connections and select enabled. If it still does not work then your router might be blocking your ps3 from connecting. Now youll need to provide your routers security settings. Unplug the modem and wireless routers power cables. To disable the ps3 proxy server. Settings for the access point are typically set using a pc.
Open the ps3 main menu and select settings network settings. Ps3 not connecting to internet this topic is locked from further discussion. Check that there is an access point connected to a network with internet service near the system. For details contact the person who set up or maintains the access point. Connecting to psn sm. If the connection still fails after following these instructions follow the on screen instructions to check your settings.
I did a test connection and ip succeeds but the internet connection fails i went to connecting statues. If type 3 is displayed under nat type the ps3 system or the network device may not be enabled to use upnp. Check the list of ports below based on your playstation console or service. If you still cant connect on this device. Unplug all network devices including the ps3 system. Leave them unplugged for at least two minutes then plug them back in.
Select settings network settings.