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4.5.2. Management Connection Methods
| Method | Security | Use Case |
|---|---|---|
| SSH | Encrypted | Primary remote CLI access |
| Console/Serial | Physical | Initial setup, recovery |
| Telnet | Plaintext (insecure) | Legacy, never over untrusted networks |
| RDP | Encrypted | Windows GUI remote access |
| API/REST | Depends on implementation | Automation, programmatic access |
Jump Box / Bastion Host: A hardened server serving as the single entry point for administrative access. Administrators SSH to jump box first, then to internal devices. Centralizes access logging and reduces attack surface.
Out-of-Band Management: Dedicated management network separate from production. May include:
- Separate physical network for management traffic
- Console servers with serial connections
- Management interfaces on separate VLAN
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Written byAlvin Varughese
Founder•18 professional certifications