OpenSSH /etc/ssh/ssh_host_rsa_key
Authentic
📋 Ubuntu 20.04 LTS (Focal Fossa)
39 lines
Compatibility
Currently viewing:
Ubuntu 20.04 LTS (Focal Fossa)
Also compatible:
Different versions:
File Info
- Size
- 39 lines
- MD5
- 725195cae82a3d91c2bf8d29e248270d
- SHA256
- 42f06706672e55642587f4958670778d993c60666679c238bdfd18ecdcbb327d
Quick Commands
curl:
curl https://exampleconfig.com/api/v1/config/original/725195cae82a3d91c2bf8d29e248270d?hint=ssh_host_rsa_key
wget:
wget -O ssh_host_rsa_key https://exampleconfig.com/api/v1/config/original/725195cae82a3d91c2bf8d29e248270d?hint=ssh_host_rsa_key
/etc/ssh/ssh_host_rsa_key
-----BEGIN OPENSSH PRIVATE KEY----- b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn NhAAAAAwEAAQAAAYEA7CXMaIuO00M/Y1ixJ8m+xk0bjpMky407XiVEuPNXsnQcvLBqgxCb 7lEY4upTRg831TiVD+hnZXnOgzlow4rwxkBykax+QEiXk5E9vTPjxO+EJI9wNZIQCS7mzn LzHiedRaNCoLciUXiDwxwFjLQM0I0l59lBw+bBAhXxBdWPYn6jMByS6M3poK6g3AxNPuQe EKYVxWJDLVaRJH7tNTbztCnuguKBJi3OkgQEZORX9cS+whz0i0C6LpqWlDHoGRwumZyv2W 5p3Tsc6e+9Vw4y7SG09Ra6SAyc7amOXFnbjeeX6QbuXR5jGScU1+3e5kdNhxwhncjH/knW gz1MoLXkcKDMKESaFObkaNe0L1FSWgp8flvY+y7DI4XLw6m4hkqDaBaw0W7wIq0hNgRVBN Qp7rtGrdgPNk0W5OeRJWwb6hgCDTRei1Tf1mUpcd11XIWBspb0s8V8vrmBomYRAQoec0lI 8DQn+qYE1HIMHmA1dYEtd5+KZOwhoCWelhKDs+5fAAAFiKtBSeqrQUnqAAAAB3NzaC1yc2 EAAAGBAOwlzGiLjtNDP2NYsSfJvsZNG46TJMuNO14lRLjzV7J0HLywaoMQm+5RGOLqU0YP N9U4lQ/oZ2V5zoM5aMOK8MZAcpGsfkBIl5ORPb0z48TvhCSPcDWSEAku5s5y8x4nnUWjQq C3IlF4g8McBYy0DNCNJefZQcPmwQIV8QXVj2J+ozAckujN6aCuoNwMTT7kHhCmFcViQy1W kSR+7TU287Qp7oLigSYtzpIEBGTkV/XEvsIc9ItAui6alpQx6BkcLpmcr9luad07HOnvvV cOMu0htPUWukgMnO2pjlxZ243nl+kG7l0eYxknFNft3uZHTYccIZ3Ix/5J1oM9TKC15HCg zChEmhTm5GjXtC9RUloKfH5b2PsuwyOFy8OpuIZKg2gWsNFu8CKtITYEVQTUKe67Rq3YDz ZNFuTnkSVsG+oYAg00XotU39ZlKXHddVyFgbKW9LPFfL65gaJmEQEKHnNJSPA0J/qmBNRy DB5gNXWBLXefimTsIaAlnpYSg7PuXwAAAAMBAAEAAAGAeWp1zsryhGzvCoVvkKWKEStUH9 pH8OCMxbsjunRjgr1wiROrr/e6NK49vW39oufwLREKk0NK5kHajF3YH7IwWb6JKZ0mzKaG SLlEpSMo2PjNWH7nkqOm2xHiWgOAPODhXAy1FS0T2A++r3KY598rN49bDfoGdlMOqaPeaM GFF39FKFeIsWot1Q/0ZS9uCAgB7U13pCUBpS39MmaQT+wRIXDt0R3kiVzD+Q9Xswg0sYiX C/cXRQHiuFODWG7QhxiVYDArJNfpqXas419H13LSHZmZho95ah2ZWMEJOfkOy+woxGn1V2 5RLajAzBI8yupm7maMe4DnWKO6XB45q7u7nD5KQXlaFYgzIL1zDFdUdVNm5TFaFabSHHud Zb1iejDoPIofTXEfVMyh4GCqbKu0bBUrLLDZ/WI0jjcRllsdPsinzj1akNRMFH/O34WRsY TylJgcac2OLE721DapQEOlT2OxJaywdt74JKsxqrKEQANeVrj/1/nl8beW17sU4/IBAAAA wDp1GZDsV3eMi/uIlN78EB+LwKN5K7f8fDAxS597oN+qdybwMuy3XCgAHfDhU0dRiYb7hS orVzxvfsJqU6QXX1n5sI8JqWkfhtWa3+MEWFvHrL0gmnnzlHJgAQtXD5YWzrwrDVfyKK0g P2J9HIHE9hQrhk1MJcbBTwvzYHfLwS/ypEJsHTqziomtkdGDZzbJYH9+LUTjiCxdyMKGWT vW5qdRnqMv58IyhgCAndzf2J8yt0yYO0QBOQm3FqMN/SL3rwAAAMEA/agTWkOSTJ3eRtk3 kAabg8yI7J4qsMkbvX9olytaRyctlPcaZsF30hkbxhGDk+XUPUyy9FwXmzq8FEo4KOJtXR SgHc5y5NKMFRgq1B4eAMnPsnbFLIgqsQXpTYNnGnIooAnkwtppfRxl6UkjGycC04MfQDK4 /QL7qWOZ3M2LGf/ATTrQtgnhNoZ02Mn9M4H2PtoEUW4yX1sBn+f/t87jAnhXt919uFsLdW bggaDwyZoKh76ItW/WOodlgTR4MuBXAAAAwQDuVE//wH2aF9kPbL5AJDTTPeaAQhp1S76G wZfUPMg6ZB4bhFPUis1nrZbvrhj5GllAeDFhmp23VfLOjM5gFM6on5Jk33Sg3hCKUra+jh +WdTdtoAnJS5yOHEEF3sejnUJeJ9B/Qr4ILdrOSss3jFLt7VdOzOnt8+hL9YCKpnCGYtfS K1Ngul1fWqsfHsPWLsm9E9hNHT88YeE7R2LMalqoa81pOJf/j+eYovKOnVyZXkZ6CLS7ch l4W00kxtpm/TkAAAARcm9vdEBmMjI3ZmE5ODc1ZWQBAg== -----END OPENSSH 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 20.04 LTS (Focal Fossa). 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 39-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 20.04?
- 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 20.04 LTS (Focal Fossa). 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 20.04 LTS (Focal Fossa). 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.
