Why is a connection refused?
How to fix the ERR_CONNECTION_REFUSED error

  1. Clear your browser's cache and cookies.
  2. Test if the error occurs on different websites.
  3. Restart your computer and router.
  4. Check your Internet connection.
  5. Disable your firewall or antivirus program.
  6. Disable the Proxy Server settings or the VPN.
  7. Flush the DNS cache.

It indicates that the server actively refused your connection attempt. This is usually because the server isn't accepting incoming requests. Technically, it's worth noting that ERR_CONNECTION_REFUSED errors happen at the network connection level. That is, before any HTTP request is sent.It's usually nothing serious, and can simply be the result of incorrect firewall or server settings. However, it can also be a sign that something more significant has gone wrong – such as a malware attack, or unexpected downtime. An unreliable internet connection can also contribute.

Why is server refusing connections : The Port You're Trying to Use Is Closed

In addition to making sure you have the correct one, you'll also want to check to see if the port you're trying to use is open. Any open port is a security vulnerability, as hackers can try to exploit it and gain access to the server.

What does Connection refused mean in email

A "connection refused," or "connection timed out" message usually results from high volumes of mail being processed at the time your message was received.

What reasons might cause a server to refuse a connection request from a client : The two most common causes of this are:

  • Misconfiguration, such as where a user has mistyped the port number, or is using stale information about what port the service they require is running on.
  • A service error, such as where the service that should be listening on a port has crashed or is otherwise unavailable.

Some websites block connections from certain groups of IP addresses due to spam or cybercrime concerns. If that includes your IP address, you won't be able to visit that website. A dynamic IP address — one that changes with each use — will let you bypass this restriction.

How to fix “This site can't provide a secure connection” err_ssl_protocol_error

  1. Verify your site's SSL certificate.
  2. Clear browsing data.
  3. Clear your SSL State.
  4. Disable QUIC Protocol in Google Chrome.
  5. Disable Browser Extensions.
  6. Update Browsers to their Latest Version.
  7. Check the System Time and Date.

Why is the server rejecting my emails

Your recipient's address might not work or exist anymore. Or, you might've entered it with a typo.This rejection occurs when the recipient's email provider thinks your email is spam (either because your email address/IP ended up on a spam list or the content of the email was considered spammy).2 Answers. 'Connection was reset' means that the browser was able to establish a connection, but the webserver closed it before data transfer was complete. 'Actively refused' means that there's nothing listening on port 80 (or port 443 for HTTPS) at the far end.

On an Android device:

  1. Open Chrome.
  2. Go to a website you want to unblock.
  3. Click More.
  4. Click Info.
  5. Click Permissions.
  6. Click Reset Permissions.

How do I know if my IP is banned : Check if your IP is blacklisted

To check if your IP address has been blacklisted, we recommend using one of the IP checking services, such as https://mxtoolbox.com/blacklists.aspx . Here's how: Open the website and enter your IP address in the Server IP or Domain field, and click Blacklist Check.

Why is a website not secure all of a sudden : What Causes HTTPS Not Secure In short, your web hosting plan does not include an encrypted connection. Sometimes, the web page you're visiting doesn't have this connection.

How do I make my website connection secure

How to Secure a Website Using Various Methods

  1. Install an SSL certificate.
  2. Work with a Reliable Hosting Provider.
  3. Use strong passwords.
  4. Update your site regularly.
  5. Use anti-malware software.
  6. Back your site up regularly.
  7. Use a web application firewall.
  8. Update your security plugins.


What you can do

  1. Check if there are any mistakes in the recipient's email address.
  2. Contact the customer support team of your recipient's email provider.

Here are the most common reasons why Gmail might be blocking your emails: Your email contains too many images. Your email contains an unapproved attachment type. Your email doesn't have a subject line.

What are the three common reasons why a message may be rejected : Common Rejection Types and Resolutions

Inbound Check Type Additional Requirements
Invalid Sender Address The next hop mail server has blocked the sender's address.
IP Reputation Policy The sender's reputation has caused the rejection action.
Message Size Limit Reached The message size is too large to be accepted by us.