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What are the security implications of running a minecraft server from home 24/7 (like using your home ip)

OwayBaway
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I am running a minecraft server for my friends and want to have it always running, but I am worried about the security risks, 

What would be the risks. and how do I mitigate them 

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As long as it's just you with friends it's fine. If it's public then well DO NOT use your ip. Get a dns or whatevers.

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3 hours ago, jaslion said:

As long as it's just you with friends it's fine. If it's public then well DO NOT use your ip. Get a dns or whatevers.

Sorry but this makes no sense, "DNS" is simply mapping from something human readable to an IP address, it doesnt protect you from attacks. 

 

The main issue with running things from home is that people may run things on ports that have vulnerabilities. Some of these are low risk, but some can be high risk vulnerabilities. With uPnP these ports are automatically mapped open and available if your router doesnt have advanced security protection. Also many people use older routers that can be open to attack (such as DNS reflection attacks) because they haven't been patched. 

 

By running popular services such as game servers, you get picked up more by bot scanners that search for vulnerabilities. 

 

Additionally you can sometimes become a target to DDoS attacks that want to take down the server such as using botnet's to do smurfing attacks. This is why many services (such as game servers, and this forum) use ddos protection services such as Cloudflare that mask your servers real IP address. This is also why many ISP's have terms of service that state not to run servers on your consumer connection, because it means they may need to change your IP and blacklist the IP for some time to mitigate the attack to their network and other customers. 

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Use dyndns Domain and Off you Go.

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12 minutes ago, Domrockt said:

Use dyndns Domain and Off you Go.

DynDNS is not a DDos Protection service. 

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Some people really need to learn what a DNS is...

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On 5/6/2021 at 6:41 PM, OwayBaway said:

I am running a minecraft server for my friends and want to have it always running, but I am worried about the security risks, 

What would be the risks. and how do I mitigate them 

With a consumer grade router? Not much im afraid.

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