ERR_CONNECTION_REFUSED
This error typically indicates that the server you are trying to connect to actively refused the connection. This could be due to a firewall, the server being down, or an incorrect port being specified.
404 Not Found
The server could not find the requested resource. This often happens when a URL is mistyped, a page has been moved or deleted, or a link is broken.
500 Internal Server Error
A generic error message from the server, indicating that something went wrong on the server's end but it couldn't be more specific. This often requires server-side investigation.
ERR_NAME_NOT_RESOLVED
The browser couldn't find the IP address for the website's domain name. This can be caused by DNS issues, network problems, or incorrect domain configuration.
403 Forbidden
You don't have permission to access this resource. This could be due to incorrect authentication, IP restrictions, or file permissions on the server.
ERR_SSL_PROTOCOL_ERROR
An issue occurred during the SSL/TLS handshake, preventing a secure connection. This might be due to outdated browser certificates, server configuration problems, or mismatched cipher suites.
401 Unauthorized
The request requires user authentication. You may need to log in or provide valid credentials for the resource you are trying to access.