Public IP And Static IP

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AlexMercer007

Commendable
Apr 27, 2016
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Hey,

I was trying to port forward ps4 ports till I realized that I need a Static IP to do that. I contacted my ISP and they asked to pay $10 per month for a Static IP but also mentioned that a Public IP is given free of charge.

So my questions are,
1. Whats the difference?
2. Can I port forward if I get a Public IP?

Thanks
 
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nigelivey

Splendid
Dec 6, 2011
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Your public IP is internet facing, it doesn't matter if it is static or dynamic in order to forward ports. A static public IP means that IP address is reserved and doesn't change, a dynamic public IP can change if you reboot your router or leave it turned off for extended periods. You are required to give your PS4 a static IP address on your LAN in order to port forward, there is no change for this! What modem/router do you use?
 
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boosted1g

Titan
Jun 12, 2013
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Kind of blind leading the blind situation here with the person on the phone, guessing they dont understand much more then what the screen is telling them.

Public IP is the address from your ISP.
Private IP is the address your computer/device gets from the router
Static IP means your IP address (could be public or private) remains the same, hence static
Dynamic IP means your IP address (could be public or private) changes regullarly.

Port forwarding means you are allowing unsolicited traffic (meaning your router did not spicifically pre-request the traffic) through the router and to a specific PC/device and a specific port number.
This can be done with a static or dynamic Public IP.

If you have a Public IP that is dynamic, then you can use what is called a DynamicDNS provider.
You sign up for an account and get a URL from the DDNS provider (like yourusername.dyndns.org) . You then configure your router or run an app on your PC that will alert/update the DDNS provider when your Public IP changes, thus your URL will always redirect to your public IP

Thus you can still run servers at home and accept incoming web traffic even if you have a dynamic Public IP. You just need to setup both port forwarding and have a DynamicDNS service setup.

FYI most ISPs will block common ports on residential conenctions, so you wont be able to use ports 21-25, 53, 80 or 443 with most ISPs. You can set the incoming port to say 8880 and have it forward to port 80 on the PC and this will work; however you will need to manually set the port number in the browser (http://yourusername.ddnsprovider.com:8880/rest-of-url-if-needed)
 
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A

AlexMercer007

Commendable
Apr 27, 2016
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My ISP have block them I need to pay to unlock. How do I do the wok around?
 
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boosted1g

Titan
Jun 12, 2013
14,846
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YOu need to use a different port then.
If say webserver wants to use port 80 you can either configure webserver to use port 8880. Or in portforward settings set port 8880 to forward to local port 80 on your device.

EIther way you will need to manually specify the port in the url with :8880 like the example above.
 
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A

AlexMercer007

Commendable
Apr 27, 2016
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Im trying to port forward to the PS4. And almost all my ports have been blocked by my ISP.

 
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A

AlexMercer007

Commendable
Apr 27, 2016
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Pretty sure. No one uses the router except me. I checked the forum of my ISP, and it turned out that they are the ones blocking the ports.
 
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nigelivey

Splendid
Dec 6, 2011
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Well no, thats just incorrect. You can have a static IP on the WAN side (Internet facing).
 
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