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Secure File Transfer Using Kurian’s SFTP (OpenSSH) Server

3 min readMar 19, 2026

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Secure file transfer is a foundational requirement for many organizations — whether it’s exchanging data between systems, sharing files with partners, or enabling internal workflows.

Yet setting up a secure SFTP environment often involves multiple steps: configuring OpenSSH, managing users, securing access, and ensuring the system is properly hardened and maintained.

At Kurian, we aim to simplify that process.

We are introducing Secure SFTP (OpenSSH) Server on Linux Platforms by Kurian, a preconfigured Amazon Machine Image designed to provide a reliable and secure file transfer solution that works from the moment you launch it.

Ready for Secure File Transfers from the Start

This AMI is built on the OpenSSH Server platform and comes preconfigured to support secure file transfers over SFTP.

Once you launch an EC2 instance, the server is ready to use immediately.

  • A default FTP user is available
  • Additional users can be created easily
  • Secure file transfers can begin without complex setup

This allows teams to quickly establish file transfer workflows without spending time on manual configuration.

Built on OpenSSH for Security and Reliability

The solution is based on OpenSSH, a widely trusted and proven platform for secure communication and file transfer.

By using SFTP over SSH:

  • All data transfers are encrypted
  • Access is controlled through standard Linux user management
  • The system integrates naturally with existing security practices

This makes it suitable for both internal system-to-system transfers and external file exchange with partners or customers.

Flexible Across Major Linux Distributions

The Secure SFTP Server AMI is available across a wide range of Linux platforms:

  • Ubuntu
  • Debian
  • Oracle Linux
  • Rocky Linux
  • AlmaLinux
  • Amazon Linux
  • Fedora
  • Red Hat Enterprise Linux

This flexibility allows organizations to deploy a consistent SFTP solution while aligning with their preferred Linux environment.

Designed for Practical Use Cases

This AMI can be used for a variety of real-world scenarios:

  • Secure file exchange between internal systems
  • Data transfer workflows between applications
  • Partner or vendor file sharing
  • Backup and data movement pipelines

Because the system is preconfigured, teams can focus on defining workflows instead of building infrastructure.

Optional Support and Ongoing Maintenance

This is a repackaged open-source software product, with optional paid support provided by Kurian.

Organizations can choose to leverage Kurian’s support for:

  • Operating system updates and patching
  • Maintenance and troubleshooting
  • Ongoing environment stability

Part of a Broader AMI Portfolio

This release is part of Kurian’s growing set of preconfigured AMIs designed to simplify cloud infrastructure deployment.

Kurian offers AMIs for:

  • CMS platforms
  • Jenkins and CI/CD tooling
  • Databases
  • LAMP stack environments
  • Ansible and DevOps tools
  • Monitoring and observability solutions

For selected Linux distributions, hardened images based on industry-standard benchmarks are also available.

Final Thoughts

Secure file transfer should not require complex setup.

With this AMI, our goal is to provide a simple, reliable, and secure starting point for SFTP workloads on AWS — so teams can focus on their data workflows instead of infrastructure preparation.

If you try it out, we’d love to hear your feedback.

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DevOps Company

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