![]() ![]() If you want to learn more about the security importance of bastion hosts, read our blog on why bastion hosts are an indispensable security enforcement stack for secure infrastructure access. If you are looking for a quick guide on creating an SSH bastion, check our previous blog post on setting up an SSH Bastion. This blog post focuses on following best practices on building and deploying a secure SSH bastion server based on OpenSSH. Additionally, insufficient resources may give attackers the chance to execute Denial of Service attacks which may cause service downtime. The placement of bastion hosts in the infrastructure also plays an important role because an improper network configuration may allow attackers to completely bypass the bastion host and directly reach their target server. The core concept of security hardening a bastion host is to run a bastion server with minimal components and reduce the attack surface as much as possible. After all, bastion hosts are the first target for attackers looking to compromise access to infrastructure. Although it is relatively easy to deploy a bastion host in your infrastructure, securing a bastion host requires careful consideration from design to deployment.
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