Abbreviated UDP, a connectionless protocol that, like TCP, runs on top of IP networks. Unlike TCP/
IP, UDP/IP provides very few error recovery services, offering instead a direct way to send and receive
datagrams over an IP network. It's used primarily for broadcasting messages over a network.
UPnP (Universal Plug and Play)
Short for Universal Plug and Play, a networking architecture that provides compatibility among
networking equipment, software and peripherals of the 400+ vendors that are part of the Universal Plug
and Play Forum.
Different PS3 NAT Types and Meanings (Generalized)
NAT Type 1
You are either NOT behind a router/firewall OR you have already DMZ enabled your PS3. Your PS3
is connected properly and you shouldn't run into any issues.
NAT Type 2
Your PS3 is connected to a router. Your PS3 is connected properly and you shouldn't run into any
issues.
NAT Type 3
You are behind a router/firewall. While your PS3 may be able to connect to the PSN and perform
downloads/updates other functions may not work as intended.
How to find out your NAT Type
To find out your PS3s NAT Type simply go to:
Settings > Network Settings > Internet Connection Test
You'll be disconnected from the PSN while you perform your test. Once complete you'll know which
NAT Type your PS3 is.
How do I change my NAT Type
If your NAT Type 1 or 2 then you don't need to change a thing, everything is working as it should. If
you're NAT Type 3 then you're in the right place and should try these steps. There is no guarantee what
worked for me will work for you and since we all have different routers and I cannot offer support on
your personal situation. The best I can do is tell you what worked for me and hope you can put the
pieces together.
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