W3Ask

One SSH server keys and multiple devices

Is it okay to have several devices and only one SSH keys to access to them ?

It is up to the owner of the devices.

On one hand, having only one key pair for all the devices is easier to manage.

On the other hand, having one key pair for every devices decrease the risk to have our SSH key leaked and get hacked.

How to definitely ban an IP in your server via SSH
https://w3ask.com/ban-ip-server-ssh/

A permanent ban of an IP that tries to connect to your linux server can be done with iptables but with a tweak in Fail2Ban. As the issue ...

Server SSH login history with a list of the ip connections
https://w3ask.com/server-ssh-login-history-list-ip-connections/

The following command will show the last 20 connections to your server via SSH. It can be very useful to know if you have got some intrusions ...

Point a domain name to a server IP address
https://w3ask.com/point-domain-name-server-ip-address/

On Godaddy, for example, you can point a domain name to a server IP with the A record : Click on manage your domain names > Click on the ...

How to update the linux distribution of a Debian server
https://w3ask.com/update-linux-distribution-debian-server/

Access to the server through SSH (PuTTY), enter your user (root) and your password (given by the hosting service provider) : Update and upgrade ...

How to setup Apache2 on a Debian server
https://w3ask.com/setup-apache2-debian-server/

Here is how to install Apache2 easily and fast if you want an alternative to nginx, and then add website conf files for example. Setup Apache ...

One SSH server keys and multiple devices

Related posts: