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+1 vote
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Problem :

Getting bellow Minecraft error
io.netty.channel.abstractchannel$annotatedconnectexception connection timed out no further informa
by (6.9k points)  

1 Answer

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Solution :

I have faced the same error on my local network in the past, I think it is a firewall issue on the host/server side. In my case to troubleshoot I used nmap

The LAN game showed up in multiplayer as 10.0.0.21:49999. nmap reported that port from that IP as closed/filtered; so it is a firewall issue.

To confirm it is a firewall issue please turn off the firewall momentarily  and see if you are able to connect while the firewall is disabled.

I followed above instructions and my issue got ressolved.

by (36.1k points)  
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