OpenSSH /etc/ssh/ssh_host_ecdsa_key

Authentic ๐Ÿ“‹ Debian 10 (Buster) 10 lines

File Info

Size
10 lines
MD5
154fba8501ee5fe22fdaa5045166ec03
SHA256
bfc5e25d4a36f85f15a3b02ccba717b42ee322b79598055fed17f45ddbb26393

Quick Commands

curl:
curl https://exampleconfig.com/api/v1/config/original/154fba8501ee5fe22fdaa5045166ec03?hint=ssh_host_ecdsa_key
wget:
wget -O ssh_host_ecdsa_key https://exampleconfig.com/api/v1/config/original/154fba8501ee5fe22fdaa5045166ec03?hint=ssh_host_ecdsa_key
/etc/ssh/ssh_host_ecdsa_key
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAaAAAABNlY2RzYS
1zaGEyLW5pc3RwMjU2AAAACG5pc3RwMjU2AAAAQQTv6LJiUQTZ7iNlc6vZa+MC1WBFbYRM
78iSiZQHYMMfgy97bkk6G5hAHGVhtpkwdm1wmcdgbciNp2Jva4VrNx0oAAAAsPCVf93wlX
/dAAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBO/osmJRBNnuI2Vz
q9lr4wLVYEVthEzvyJKJlAdgwx+DL3tuSTobmEAcZWG2mTB2bXCZx2BtyI2nYm9rhWs3HS
gAAAAgOX/q22iWxs0HUv8Fe12xHI36O7AcsgivC+XtZAAx9XUAAAARcm9vdEA1ZDdmZGM5
NDc1ZjcBAgMEBQYH
-----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

File Path
/etc/ssh/ssh_host_ecdsa_key
Directory
/etc/ssh/
Significance
System-wide configuration directory
Description
Files in /etc/ contain system-wide configuration settings that affect all users.

Complete OpenSSH Configuration Guide

What is ssh_host_ecdsa_key?
Get the original 'ssh_host_ecdsa_key' (sshd_config) configuration file from a fresh OpenSSH installation on Debian 10 (Buster). 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_ecdsa_key', this 10-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 Debian 10?
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_ecdsa_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_ecdsa_key. Make sure to backup your existing configuration first, then restart the OpenSSH service to apply the changes.

Is this ssh_host_ecdsa_key file secure for production use?

This is the factory-default configuration that ships with OpenSSH on Debian 10 (Buster). 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 Debian 10 (Buster). 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.