OpenSSH /etc/ssh/ssh_host_rsa_key
Compatibility
File Info
- Size
- 28 lines
- MD5
- 545c36c3cc7789b112f07822ce9c4b60
- SHA256
- 75b5cc4817578474997a17b668809e5046dc45c9285113c2c2eadb5e34302e29
Quick Commands
curl https://exampleconfig.com/api/v1/config/original/545c36c3cc7789b112f07822ce9c4b60?hint=ssh_host_rsa_key
wget -O ssh_host_rsa_key https://exampleconfig.com/api/v1/config/original/545c36c3cc7789b112f07822ce9c4b60?hint=ssh_host_rsa_key
-----BEGIN RSA PRIVATE KEY----- MIIEowIBAAKCAQEA1NWzHoInt61vAL7HtFQGO94f/wtdaZfEVXts2ZrVv7zzVKxs fWJrGHEP6zORygPFJLUWTYIKAyajVn3gtZ+0KSNHjRLyaPkWywMMSdNKw5BqSk/8 kU0Z65x2WHwndc+S/kLsk3/XiNnmypAMZ6a7VDygBNOAAM0IRDV/BPH/oBSGdUEv zkCWEvKamp8PnH8teKPF1z8vupLjQ/EQiOOYy5EWZOuS5eBFNjjGliFcMWDdioXZ +MgkAXAb5KJtM1CfeWKWpB6KLPCCKhdVHgxhX2LDCZ9syhVYN5m4oSZTwiSBhIh5 xu3LEwAFWuT+Wvxd1QAue+ZhhwYvaYFkxjrhvwIDAQABAoIBAQCig5LEBupA7GNI FGT1IvunlxKjcpAfYs194ELbXck9IRBEZWxpyU6xWROoqrX1pS9RuhyPjm4KveQW 1QNSa+HrT48A/6it0xU+atNlQ7tg3NLsb2sRn+fc6pnLMvIGmTtKftuaPRHc41XA 8oEmXD/KMIiXZs/kzKo1OwwEQKzKE72jbqqVz3XZ+h0iSh2fSbo4MC6dzf9cAv+E emDMu2544sdjk0RG3z0lSLfsm9CD3HDL3wto+xUbzgAxCL0uvTKYMcTcPzxXrRB6 13JAU/OphFtRUwH1d3jK8Z4afjk+Y3ByOIRuhClmhxoSvvsZy1f1TELbdH1yRdsB rs/FIb+BAoGBAOtn224J3HAh+P28lCant+6xE7tYja4DvOohm4VWysWQ1iqnPMi6 CDznAcePIgQCzOlXAFOv3IY1PsVWrByFP6SoydR47PrTY8GgXkF3E/i1glb9NkOl M8e5lSSrbgKf7hHDJIF18tAppV3FIvtOOe2F9jmaReDqeGvO8mfaRcChAoGBAOd0 WCYnv4bQrLfTNh4fISFyUAI8+/HHW5PI1JIBDoF1WYbWRpVoPgobhCfAdAckAQcO X0XjZEEjMeaeH37WJAtU2JObAxs6mlQQqlPleRQ8mup1iWyLz9zeGVJoGv1taPR3 /uacV4YLfmZsBMCNTfxx7Uby699e9Dw8ADYlcKZfAoGADCbNTe3WYjduufJdF226 8ehUI2yby6rHurJHa+eiCfbDB2qgmZ/4wuQN1HZQBDL8zuK90pQWZxsihV9G/SXn tiE8YepoGT6GPL2BgBGch08fTkw929oQRTQQPddXk20cBfCz1rb29MXhkmiVuLE+ DkPHBQwwpT6VPsNtAe1jgmECgYA+jJuR3CYPWe+DUioK4+DBODJVGIQB6B1gh+Ki fnScGcmS/e9fSyeQ9bS2RXVVxK4eaQzoRzZ9v/QpXcwnK9nb0hchdL/XKPQyCbru J1KcXHCFMjRsSDBpgQAY3BeHK300rAUP72pbyFlldoWmP8m2kldMWDPUTsX0TUbF W0LhQwKBgE4iESSoWR7DKKJV5GM7GU6hLKEPrEUEa7sFKp8iDTKRkz2go71SpOh3 rSDhUonWRjcqlEOnAl1Ec3K3C2/FupbVig4PumLOWA8zdyqQa7gMwzTOp7ulYMN5 JxGBlPP+ZJB28DwZTkiW/eJVPNXmVC1SINWFEvJ0PE35E+Qc7Fgp -----END RSA PRIVATE KEY-----
How to Install OpenSSH
Alpine Linux
sudo apk add openssh-server
Debian
sudo apt update && sudo apt install openssh-server
Red Hat Enterprise Linux
sudo yum install openssh-server
Ubuntu
sudo apt update && sudo apt install openssh-server
Configuration File Location
Complete OpenSSH Configuration Guide
- What is ssh_host_rsa_key?
- Get the original 'ssh_host_rsa_key' (sshd_config) configuration file from a fresh OpenSSH installation on Ubuntu 18.04 LTS (Bionic Beaver). This is the factory-default SSH server configuration, crucial for security hardening, remote access troubleshooting, and understanding baseline security settings.
- Technical Details
- Located at '/etc/ssh/ssh_host_rsa_key', this 28-line file controls authentication methods, encryption algorithms, key exchange protocols, and access controls. Secures millions of servers worldwide and is the foundation for secure remote administration, file transfers, and automated deployments.
- Common Configuration Question
- How do you configure OpenSSH for maximum security, key-based authentication, and compliance on Ubuntu 18.04?
- Why Use This Configuration?
- This default configuration includes modern cipher suites, authentication controls, and security best practices. Essential for security professionals, system administrators, and DevOps engineers managing secure remote access to production systems.
Frequently Asked Questions
When should I use this ssh_host_rsa_key file?
Use this original configuration file when you need to restore OpenSSH to its default state after misconfiguration, during fresh installations, or as a baseline for customization. It's particularly useful for troubleshooting when your current config isn't working properly.
How do I restore OpenSSH to default settings?
Download this file and replace your current configuration at /etc/ssh/ssh_host_rsa_key. Make sure to backup your existing configuration first, then restart the OpenSSH service to apply the changes.
Is this ssh_host_rsa_key file secure for production use?
This is the factory-default configuration that ships with OpenSSH on Ubuntu 18.04 LTS (Bionic Beaver). While it provides a secure baseline, you should review and customize security settings based on your specific production requirements and compliance needs.
What's the difference between this and other OS versions?
This configuration is specifically from Ubuntu 18.04 LTS (Bionic Beaver). Different operating systems and versions may have slightly different default settings, security patches, or feature availability. Check the compatibility section above for other OS versions.
Can I use this configuration file for OpenSSH troubleshooting?
Yes, this original configuration is excellent for troubleshooting. Compare it with your current settings to identify modifications that might be causing issues, or temporarily replace your config with this one to isolate problems.
