SSH-Hardening (EN)

SSH-Hardening

SSH-Hardening refers to securing SSH access through various configuration changes. This includes disabling password login, enforcing key authentication, changing the default SSH port, and restricting login access. These measures reduce the attack surface and prevent automated attacks like brute-force attacks. Through SSH-Hardening, you significantly increase the security of your server.

Architecture

flowchart TD     A[SSH-Client] -->|SSH-Connection| B[SSH-Server]     B --> C[Key Authentication]     B --> D[Password Authentication]     D -->|Disabled| E[Brute-Force Protection]     C --> F[Access Granted]     B --> G[Firewall]     G --> H[Port Filtering]     B --> I[Login Restriction]     I --> J[User List] 

In Context

• Typically used together with firewalls and intrusion detection systems
• Related to: Network security, System administration, Access control
• Example use case: Securing Linux servers on the internet