OpenSSH /etc/ssh/ssh_host_rsa_key
Authentic
📋 Ubuntu 24.04 LTS (Noble Numbat)
39 lines
Compatibility
Currently viewing:
Ubuntu 24.04 LTS (Noble Numbat)
Also compatible:
Different versions:
File Info
- Size
- 39 lines
- MD5
- 730965966b6b9b1798364f8bf6b61cae
- SHA256
- c65af94b17c5d3654a5b65d777925bd382e153bd7db8e984a4c014cae1146138
Quick Commands
curl:
curl https://exampleconfig.com/api/v1/config/original/730965966b6b9b1798364f8bf6b61cae?hint=ssh_host_rsa_key
wget:
wget -O ssh_host_rsa_key https://exampleconfig.com/api/v1/config/original/730965966b6b9b1798364f8bf6b61cae?hint=ssh_host_rsa_key
/etc/ssh/ssh_host_rsa_key
-----BEGIN OPENSSH PRIVATE KEY----- b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABlwAAAAdzc2gtcn NhAAAAAwEAAQAAAYEAoDq16vsuKiBUl/hHgmWYVnDqrwVYIOKNUPJjOzGt6GCtXnJ/6M1R U0OGrBcxVYN/IXcn6S6UMKRVbiFbO+XI0KAbY6BW2fnHGpfv0tVq4HLWEZLgtdoYWEbJgL i0tEiEH9XVChutNj/KpOaYsyN3l1fHJn9Jrfq6EqBIVGu8GDGCnebMy2rIDWUaX/N5MDRJ 6Gh+yAfD5+A4Bu80w7at30Pkiv851FKnzTvcLMVNFJVHynoL0P/RXXzY0v4d/XlhTXUG5d d+uZAlP6GnzDxWdrsYigqFdNuNsfVINhKxdb3fanZ2Dyf2s3pPS9PgiDhStyvRcGvQW6pb wFsuzbBy2Krk3gpL9roIOvfbKqByTlgiekqPtpE1YObMER2mreWIp0LvPjnE4kqcLsfplO D9TFyTF6gc7lKXixDfQ4GpFLE2xdPVV0Pjat8XK+t7SWTYUikgWKaj7ApQZHClm65gJ5H5 CfakC6JhAmOoblgtKex2iBVxft1zsgl6+y+d/yFLAAAFiEWGL0NFhi9DAAAAB3NzaC1yc2 EAAAGBAKA6ter7LiogVJf4R4JlmFZw6q8FWCDijVDyYzsxrehgrV5yf+jNUVNDhqwXMVWD fyF3J+kulDCkVW4hWzvlyNCgG2OgVtn5xxqX79LVauBy1hGS4LXaGFhGyYC4tLRIhB/V1Q obrTY/yqTmmLMjd5dXxyZ/Sa36uhKgSFRrvBgxgp3mzMtqyA1lGl/zeTA0SehofsgHw+fg OAbvNMO2rd9D5Ir/OdRSp8073CzFTRSVR8p6C9D/0V182NL+Hf15YU11BuXXfrmQJT+hp8 w8Vna7GIoKhXTbjbH1SDYSsXW932p2dg8n9rN6T0vT4Ig4Urcr0XBr0FuqW8BbLs2wctiq 5N4KS/a6CDr32yqgck5YInpKj7aRNWDmzBEdpq3liKdC7z45xOJKnC7H6ZTg/UxckxeoHO 5Sl4sQ30OBqRSxNsXT1VdD42rfFyvre0lk2FIpIFimo+wKUGRwpZuuYCeR+Qn2pAuiYQJj qG5YLSnsdogVcX7dc7IJevsvnf8hSwAAAAMBAAEAAAGADKl3FNGyrTuO08+X/xL+Pd6AfU JD251ro3j0JIphftqc+Li9qO0Ivza33sOab3KLyl47Ni8rIMjrw185cXtQKkRsxau3EVSu ykg1eIjLAF+y0QK1ZUmN4PP/Gn/+L70HS+i/BCR5xK632d4rNQTZf4k9QKqQbQJCUBSAgs NcwuCuvMGvb2fJ1V0m/2wjKI8JRCd11WLftWQ/qTSgC9NU3C7mUaGntUKu5gYT+SnCVJ0T ZknMw0BkECo8jDfusMg1qzBZ/dCVjdDpP0L1qo0OfKz8y/rYj3X67cdY42KDDQYiQXf1T+ cbS9m5wK0FaGtlCs5hA2U6Q/qW4HNYVYFAXcMMvHAxKTaZr7918k0rBwx+UvWrrBPmDT5F m4PdOwq1bLd2IgXu2xoUuaL9trELWX8ECYJw8vvgYd/xRrzXbsAY14G1BFSaWAmCazDSHJ cjBQG86uhGuu+PQOpk7/m3wwnMnv3xTPNvQjozijMcEww9lVsCSHTxqDCQD+3qgNeRAAAA wQC94w+lpqQayFNE2oI9NT1Ek5JedTyDMng2ef4tezY8ydJUnnTXgkJoLozEJXHytjRpPs nH486NSG9vgFp7rru0vCv1EFtaLAagd5JkUoSAsH8geUi0MYAwrv8nHnKSLK1NiJwpmpBo z5fbH93cvBglegruC+LEApbxaw6yNA0PC2ee0FZSvzRDPsYO5jH9fx3KYNj47Ajq521SLI 1HuiBXtJ6TO2LRy+3jJ5oCHvJ/R/3/CNVp5hWzStPxbfLlvhwAAADBANgpaeXu4eDerlHh muJZuldHyIlX2wNEctcpIPj3g8s+nd79+TWDNQ0BhFgM/4qi/09uwYXY5w3yGTsXlKVesk FUWlfteFz3Mt76wT1aYWjwACMW0Ctl+mQd0+0kul1kANJhFGz7K/Glh4QFvrtFqF6TK9is BGSLvqGag2rJGqwFbPtqYdf6OHsjg16xcFcgIZvwkTU/AtJ2Eswcp23nsUD7MkXLt2DhbE fW1ztpGx1XZf6r3u2SmxNkv0AKA1sxwwAAAMEAvcJitoaGSVJ0y29u3AJK+KxuQXgptjjr tcKt2dSFVDtf0Nw/wtXhYv+PRRneTK6DMcoFmLSKb7wsBxtTugLeJl55i42yKmf8PmwJxl 3GvWRPQB5QScsuRt19g6Vynxpx9los/wOIuaHHBp05vofnUKEj/qb0PDqlBbhwkt61SAVT q++HqbfD6qYNdvV3xZIwv5NEhBTAoEM2/08bRmjT76gLYs+2AJP2xaYvvU6OdSlTFwz1NS SU2BIcPoiwzBHZAAAAEXJvb3RAZDkyMTc0OTkwYjZjAQ== -----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 24.04 LTS (Noble Numbat). 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 24.04?
- 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 24.04 LTS (Noble Numbat). 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 24.04 LTS (Noble Numbat). 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.
