[help] I need help with node availability

[hhio618]

• [ ] what I tried to do: ...
• [ ] url of the page: https://pl-diagnose.on.fleek.co/#/diagnose/access-content?addr=%2Fip4%2F195.201.223.197%2Ftcp%2F4001%2Fp2p%2F12D3KooWSVjkozEHwKsBLwsLqY9hponxYBaCsDYSeK6SR6X676s3&backend=https%3A%2F%2Fpl-diagnose.onrender.com&cid=bafybeidbhcmzdbnjjyg6b752sn66g54iktxwxvhlbixjrcznttxjitpzfi
• [ ] what I got:

An error occuredThe backend couldn't reach out to your node. It failed with the following error: failed to dial 12D3KooWSVjkozEHwKsBLwsLqY9hponxYBaCsDYSeK6SR6X676s3:

• [/ip4/195.201.223.197/tcp/4001] failed to negotiate security protocol: EOFOur backend node couldn't reach this peer.Troubleshooting Steps:Solution 1solution 1 step Asolution 1 step BSolution 2solution 2 step Asolution 2 step B

• [ ] I don't have enough information to fix my issue because: ...

Details:

• title: An error occured
• issueRef: node availability
• rawData:

{
  "error": null,
  "data": {
    "id": "12D3KooWSVjkozEHwKsBLwsLqY9hponxYBaCsDYSeK6SR6X676s3",
    "connectToPeerError": "failed to dial 12D3KooWSVjkozEHwKsBLwsLqY9hponxYBaCsDYSeK6SR6X676s3:\n  * [/ip4/195.201.223.197/tcp/4001] failed to negotiate security protocol: EOF"
  }
}