My portforward stopped working

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bakumonsuno85

bakumonsuno85

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Jan 15, 2015
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So before like 4 months i could make my servers and portforward them right and i made servers like gmod cs:go minecraft so i can play with my frineds :D but now 4 months later my servers suddenly stop working in all games i checked my ip and the portforwards and there right everything is right so i closed my firewall to be sure i wasent blocking connections and disabled my antivirus to be sure but still nothing the only difference i spotted was that my public ip the numbers of it changed dramaticly from like 71.231.813.12 i always had a 71 in front but now i have a 37 that i havent seen before so idk if this is the problem i need help pls i can send specific information in the chat with screenshots if its needed thanks for reading if you have a answer help me pls now i cant play with my friends
 
Solution
Solandri

From what I can tell online, quick_data is the default internet connection name for your router. This plus everything else you have tried is consistent with your ISP changing its service and now blocking these ports. You will have to speak with them about resolving the issue. Be sure to mention the problem started with the change in your public IP address. They will be able to confirm if your new public IP address is within their allocated IP range, or if there is some other weirdness going on.
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reedo_43

reedo_43

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Feb 18, 2010
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I am no networking guru but I do know that the fact that you public ip changed is your problem. You will have to re-do your port forwarding to the new ip address. It will continue to fail every so often as you ip gets change by your isp unless you request a static ip than never changes. There is a slight charge for that service I believe
 
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Solandri

Solandri

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Jan 4, 2012
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Normally, your public IP changing won't affect port forwarding.

First, confirm that this is a port forwarding problem, and that the game server works if you try to connect to it from your LAN.

If that works and you are using DHCP on your LAN, check the IP address of your server. Make sure that hasn't changed from the IP address you're port forwarding to.

If that looks good, change your router to temporarily make your server's IP address the DMZ. That will forward everything to your server. Someone connecting to your public IP address will be connecting to your server. If your game server works, then you have a configuration problem somewhere with your port forwarding. Turn off DMZ and double-check everything. You may even want to delete and recreate the port forwarding rules - it's extremely rare but it is possible for the router's nonvolatile memory which holds these settings to become corrupted.

If that doesn't work, then likely your ISP is now blocking the ports you were forwarding. Call them up and ask which ports they are blocking. Usually it's just a few specific ports (mail, http, etc) or a range (like everything from 1-1024). Try changing your game server ports to different ports which aren't being blocked.
 
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T

tman1

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Jan 18, 2009
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That is NOT a fact. Port forwarding in a router has nothing to do with the public IP.
 
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bakumonsuno85

bakumonsuno85

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Jan 15, 2015
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i have 2 thing to say so the public ip i told you is just an example and second solandri i can connect in a lan server i tested with my brother so how do i do the DMZ thing im not a pro in those thing i have a Gennet Oxygen router if that helps you but can you give me a further how to do the DMZ thing and i re created the port forwarding options and contacted my isp non of those was the problem so can you help me with the DMz setting
 
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bakumonsuno85

bakumonsuno85

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Jan 15, 2015
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Yes they cant join but even with port checking tools they say that the ports I opened are closed
Like the mc port 25565 or the gmod port or any port
 
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bakumonsuno85

bakumonsuno85

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Jan 15, 2015
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PLS Reply i found a major difference i think my internet name in the router tellas_internet went to quick _data does that count as something? pls help
 
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Solandri

Solandri

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Jan 4, 2012
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From what I can tell online, quick_data is the default internet connection name for your router. This plus everything else you have tried is consistent with your ISP changing its service and now blocking these ports. You will have to speak with them about resolving the issue. Be sure to mention the problem started with the change in your public IP address. They will be able to confirm if your new public IP address is within their allocated IP range, or if there is some other weirdness going on.
 
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