Connection to server closed by remote host: What it means and how to fix it?

Hello Dev, in this article, we will discuss one of the common errors that web developers often encounter while working with remote servers. We will explore what the “connection to server closed by remote host” error message means, its various causes, and how you can troubleshoot and fix it. Let’s dive in!

Understanding “Connection to server closed by remote host” error message

When you are trying to connect to a server via SSH or other remote protocols, you may sometimes encounter an error message that says “connection to server closed by remote host”. This error message typically indicates that the server abruptly terminated the connection while you are attempting to connect or execute a command.

The “connection to server closed by remote host” error message can occur due to various reasons such as network issues, server misconfigurations, permission issues, and more. Let’s explore some of the common causes of this error message in the next section.

Causes of “Connection to server closed by remote host” error message

The following are some of the common reasons why you might encounter the “connection to server closed by remote host” error message:

1. Network connectivity issues

Network connectivity issues can cause the server to abruptly close the connection. It can happen due to a weak or unstable internet connection, firewall restrictions, or other network-related problems.

2. Server misconfigurations

Server misconfigurations, such as incorrect SSH settings, DNS resolution issues, or outdated libraries, can cause the server to terminate the connection.

3. Permission issues

Permission issues, such as incorrect file or directory permissions, can cause the server to close the connection. It can happen when the user does not have sufficient privileges to access the resource.

Now that you are familiar with some of the common causes of this error message, let’s look at some of the ways to troubleshoot and fix it.

Troubleshooting and fixing “Connection to server closed by remote host” error message

When you encounter the “connection to server closed by remote host” error message, you can follow the steps listed below to troubleshoot and fix the issue:

1. Check your network connectivity

The first step is to ensure that you have a stable and reliable network connection. You can test this by pinging the server, checking your internet speed, or trying to connect from a different network.

2. Verify SSH configuration on the server

If the network is not the issue, then you should check the SSH configuration on the server. Ensure that the SSH port is open and correctly configured. You can also check the SSH logs to identify any misconfigurations or errors.

3. Check file and directory permissions

If the SSH configuration is not the issue, then you should check the file and directory permissions on the server. Ensure that the user has sufficient permissions to access the resource. You can use the “chmod” command to modify the permissions.

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If none of the above steps help to fix the issue, then you should consider contacting your server administrator or hosting provider for assistance. They can help you identify and fix the issue.

FAQs

Here are some of the frequently asked questions related to the “connection to server closed by remote host” error message:

Question
Answer
What does “connection to server closed by remote host” mean?
This error message indicates that the server abruptly terminated the connection while you are trying to connect or execute a command.
What are the common causes of this error message?
The common causes include network connectivity issues, server misconfigurations, and permission issues.
How can I troubleshoot and fix this error message?
You can troubleshoot and fix this error message by checking your network connectivity, verifying SSH configuration, and checking file and directory permissions.

Conclusion

In conclusion, the “connection to server closed by remote host” error message can be frustrating to deal with, but it is often caused by some common issues that can be quickly resolved with a few troubleshooting steps. By following the tips and solutions discussed in this article, you should be able to identify and fix the issue and get back to working on your remote server. Happy coding!