How do I require a private key for SSH connection?

October 15, 2017 948 views
Security Server Optimization Ubuntu 16.04
stradaentracasa
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stradaentracasa

Hi there, newbie here. I followed a guide via digitalocean for generating an SSH key for my droplet server. However when I log into the server via putty it does not require me to authenticate with my key and I can log in without it. How do I make it so that my key is required for logging in via, say, Putty?

Thanks and best wishes

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1 Answer
BilalSajid October 31, 2017

Hi,

In order to make key necessary every time when you ssh you have to make key necessary in sshdconfig file which you would find in /etc/ssh/sshdconfig most probably.

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