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AWS Cloud9: Multichain Error: Couldn't connect to the seed node (Please help)

+1 vote

I am using AWS - cloud9 virtual machines for creation a multichain blockchain instance.

Unable to connect two virtual machine. 
Error: Couldn't connect to the seed node 172.31.77.199 on port 4351 - please check multichaind is running at that address and that your firewall settings allow incoming connections.
Please check this image file for explanation

asked Apr 25, 2022 by MuhammadShehryar

1 Answer

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Best answer
This could be an AWS networking issue, or a Linux internal firewall issue. You need to open the firewall for port 4351 on the server hosting the first node, wherever it is blocked. You should be able to find instructions for this within AWS documentation, and for your Ubuntu version using a Google search.
answered Apr 25, 2022 by MultiChain
selected Apr 25, 2022 by MuhammadShehryar
It will be a tcp port?
commented Apr 25, 2022 by MuhammadShehryar
Yes, TCP/IP.
commented Apr 26, 2022 by MultiChain
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