reason: connect ETIMEDOUT

101.53.169.117:443

This is most likely not an error with the Salesforce CLI Please ensure all information is accurate and try again.

Please check this article.

Error authenticating with auth code due to: request to https://empathetic-koala-nj5lux-dev-ed.my.salesforce.com//services/oauth2/token failed, reason: connect ETIMEDOUT 160.8.246.134:443

Error authenticating with auth code due to: request to https://login.salesforce.com//services/oauth2/token failed, reason: getaddrinfo ENOTFOUND 83 This is most likely not an error with the Salesforce CLI. Please ensure all information is accurate and try again

The same error was posted in the Japanese user group.
At that time there was a problem with the SSL certificate.

it was the firewall and proxy settings that was blocking We have now resolved it.

This is most likely not an error with the Salesforce CLI. Please ensure all information is accurate and try again.

相手側がクラウドなので、これは回避できないと思います。
証明書のファイルをダウンロードして強制的に適用させれば回避できるかもしれません。

根本的にはネットワーク（セキュリティポリシー）の問題ではないかと思います。
制限なしにインターネットにつながる環境でないと難しいかもしれません。
https://superuser.com/questions/97201/how-to-save-a-remote-server-ssl-certificate-locally-as-a-file

Please check this article.

This is most likely not an error with the Salesforce CLI. Please ensure all information is accurate and try again.

以下を参考にしてみてください

https://developer.salesforce.com/docs/atlas.en-us.238.0.sfdx_setup.meta/sfdx_setup/sfdx_setup_install_cli_firewall.htm