OpenSSH /etc/ssh/ssh_host_ecdsa_key

Original 📋 Ubuntu 24.04 LTS (Noble Numbat) 9 lines

Details

Size
9 lines
MD5
c8628b9e7249ee5ff5cf02b2c31efa09
SHA256
3dcedd676f64aa6ec6d5069b6756d5ecdbede23dfe8119e770fdc7aa97101f20
/etc/ssh/ssh_host_ecdsa_key
-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAaAAAABNlY2RzYS
1zaGEyLW5pc3RwMjU2AAAACG5pc3RwMjU2AAAAQQTovxm7CHbFTmddiyIvnEOkPyuCVqtB
Mz8VY9jaLMBSKyN+RIr4tQmAwvdw/feimVjaNkvapM+6UNVjsWMCBqvbAAAAsK7QGXSu0B
l0AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBOi/GbsIdsVOZ12L
Ii+cQ6Q/K4JWq0EzPxVj2NoswFIrI35Eivi1CYDC93D996KZWNo2S9qkz7pQ1WOxYwIGq9
sAAAAhAJiLtzCBjLXLiKWuvYUqJC31TpQ6yD4ZBh/IpLCzsQ1hAAAAEXJvb3RAZDkyMTc0
OTkwYjZjAQIDBAUG
-----END OPENSSH PRIVATE KEY-----

Copy & Paste

curl:
curl https://exampleconfig.com/api/v1/config/original/c8628b9e7249ee5ff5cf02b2c31efa09?hint=ssh_host_ecdsa_key
wget:
wget -O ssh_host_ecdsa_key https://exampleconfig.com/api/v1/config/original/c8628b9e7249ee5ff5cf02b2c31efa09?hint=ssh_host_ecdsa_key

For AI Agents

<prompt><role>DevOps agent</role><source url='https://exampleconfig.com/api/v1/config/original/c8628b9e7249ee5ff5cf02b2c31efa09?hint=ssh_host_ecdsa_key' /><config><app>OpenSSH</app><os>Ubuntu 24.04 LTS (Noble Numbat)</os><location>/etc/ssh/ssh_host_ecdsa_key</location><lines>9</lines><md5>c8628b9e7249ee5ff5cf02b2c31efa09</md5><sha256>3dcedd676f64aa6ec6d5069b6756d5ecdbede23dfe8119e770fdc7aa97101f20</sha256></config></prompt>

Paste into Claude, ChatGPT, or any AI assistant.

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

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.

FAQ

When should I use this ssh_host_ecdsa_key?

Use it to restore a missing default, confirm what shipped, or diff against your current OpenSSH config.

How do I restore OpenSSH defaults?

Download the file, back up the current one in /etc/ssh/ssh_host_ecdsa_key, replace it, then reload or restart OpenSSH.

Is ssh_host_ecdsa_key safe for production?

It is the vendor default for Ubuntu 24.04 LTS (Noble Numbat). Treat it as a baseline and review security and performance settings before production use.

How does this differ from other OS versions?

Defaults vary by distro and version. This copy matches Ubuntu 24.04 LTS (Noble Numbat).

Can I use this for OpenSSH troubleshooting?

Yes. Diff it against yours to find drift, then restore only the sections you need.