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📖 What is Secure Shell (SSH)?

A cryptographic network protocol operating at layer 7 to securely connect to and manage network devices over an unsecured network.

🥋 Sensei Says:

"To enable SSH on a Cisco router, you must configure a hostname, an IP domain name, and generate RSA keys using 'crypto key generate rsa'. Never use Telnet in the real world!"

📚 Certification: Certified Network Associate (200-301)

🔑 What are the Key Concepts of Secure Shell (SSH)?

▸ RSA Keys
▸ VTY Lines
▸ TCP Port 22

🎯 How does Secure Shell (SSH) appear on the 200-301 Exam?

Securing remote management

Troubleshooting SSH connection failures

❓ Frequently Asked Questions

Why use SSH over Telnet?

SSH is encrypted.

What port is SSH?

TCP 22.

Related Terms from Certified Network Associate

Native VLAN Default Static Route Designated Port Underlay Network Wireless LAN Controller (WLC) BPDU Guard

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