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A browser-based ssh proxyjump config generator tool. No data sent to server.

📘 How to Use

  1. Enter the details for your bastion (jump) host.
  2. Provide the connection info for your final target server.
  3. Copy the generated SSH config snippet.
  4. Paste the snippet into your `~/.ssh/config` file and connect with a simple command.

SSH ProxyJump Config Generator

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Bastion Server

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Target Server

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            Append the generated text to your ~/.ssh/config file.
        

    





            


            
            

            

            
            

                

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SSH ProxyJump Config Generator | Quickly Create Bastion Host Configurations


This tool generates the necessary SSH configuration to connect to a target server through a bastion host using the modern ProxyJump directive. It's designed for developers, sysadmins, and cloud engineers who need to streamline access to servers in secure, private networks.


💡 Tool Overview


    

  • Instant Config Generation: Automatically creates the correct Host blocks for both your bastion and target servers, saving you from manual configuration errors.
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  • Modern ProxyJump Directive: Utilizes the efficient and recommended ProxyJump directive, simplifying multi-hop SSH connections without complex proxy commands.
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  • Real-time Updates: The configuration output updates instantly as you type, allowing for quick adjustments and verification.
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  • Client-Side Processing: Your server details are processed entirely within your browser. No connection information is ever sent to or stored on our servers.
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🧐 Frequently Asked Questions


Q. What is ProxyJump and how is it different from ProxyCommand?


A. ProxyJump (introduced in OpenSSH 7.3) is a modern, more straightforward directive for setting up bastion hosts. It's a cleaner alternative to the older ProxyCommand -W %h:%p method. It transparently forwards the connection through the bastion, making it easier to configure and more reliable for tools like scp and sftp.


Q. How do I use the generated configuration?


A. Copy the entire output and append it to your SSH client configuration file, which is typically located at ~/.ssh/config on Linux, macOS, and WSL. Once saved, you can connect directly to your target server using the alias you defined (e.g., ssh target), and the SSH client will automatically handle the jump through the bastion.


📚 Technical Knowledge: Mastering ~/.ssh/config


The ~/.ssh/config file is a powerful tool for managing and simplifying remote server connections. By defining hosts with aliases and specific directives, you can turn long, complex SSH commands into simple, memorable ones.


The configuration generated by this tool is a foundational snippet. You can enhance it by adding other useful SSH directives to the host blocks. For example:
- ServerAliveInterval 60: Sends a keep-alive packet every 60 seconds to prevent the connection from dropping due to inactivity or network timeouts.
- ControlMaster auto & ControlPath ~/.ssh/sockets/%r@%h-%p: Enables connection sharing. The first connection establishes a master socket, and subsequent connections to the same host reuse it, making them almost instantaneous.
- RequestTTY force: Forces pseudo-tty allocation, which can be useful when running interactive commands on the remote server through automated scripts.