IPFS ports firewall

can someone tell me which port numbers and of with protocols (tcp udp) I have to open in my firewall for ipfs daemon to work better?
I have asked this on Cannot transfer between two firewalled machines but don’t know if that thread still has support.

in this file we see

TCP 4001 5001 8080 8081
UDP 4002/udp

that is more ports then what I thought. thank you

Assuming you’re not trying to expose your daemon’s API/gateway to the public internet, opening port 4001/tcp should be sufficient.

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hi i think we need also 5001

Regards this issue see the answer on Cannot transfer between two firewalled machines

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Hi, I am trying to upload a file to the IPFS node which is running in GCP, CentOS 7 (using js-ipfs).

this.ipfsApi = ipfsAPI(‘localhost’, ‘5001’) - works fine
but
this.ipfsApi = ipfsAPI(‘GCP Instance’s IP’, ‘5001’) - does not work and it says connection refused. I have allowed all ports actually, but still no luck reaching out to this.

I want to upload the files from my client to the remote node, without using the local node. Any help would be greatly appreciated.

Thanks in advance.