PS3 error
80028E02 can be caused by different source of network
blockages. If
you happened to be in a filtered network, that's your most probable
reason why your PS3 is unable to connect online. For example, if you're
in a school campus, there's a high chance that the IT network
administrator has placed some restrictions to prevent hackers and other
malicious online activities. You can refer to the campus IT department
to find out if you need to access their local page for some clearance in
order for your PS3 to connect online.
If the modem or router is blocking your connection then it can be fixed by opening some ports
you will have to call your computer vendor to open the ports
PS3
You will have to open the following ports in your modem /router
Make sure the firewall is disabled in the Modem /Router
Make sure that UPnP is Enabled
Playstation Network Required Ports
TCP 80
TCP 443
TCP 5223
UDP 3478
UDP 3479
UDP 3658
Playstation Online Game Ports
Call of Duty 3:
UDP 3074
TCP 3074
MotorStorm
UDP 3659
UDP 3660
You can use http://whatsmyip.org/ports/ to test if the ports are open.
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