Hello to all the readers!
I have hosted my blog on a VPS by Vultr. I am a tech savy blogger so always interested to get a machine where I can setup my own things. Similar I have done for this thestorywire.com blog as well.
I install SSH server so that I can login to the machine and do the setup and manage it. But there is a need to tighten the security of SSH server. Or we can say it is required to harden the SSH server.
In this virtual machine world, a lot of hackers try to bruteforce to ssh by using default ssh port. Therefore, it is a mandate to use a custom port to run SSH on.
Change default SSH port
Edit the file /etc/ssh/sshd_config
Port <your_port_no>Also, there is an option in SSH config to disable root user to login to SSH. Let us also disable that since I have setup a local user to login to the machine.
Disable root login to SSH
Again edit the same file /etc/ssh/sshd_config
PermitRootLogin noBy default, the value is “yes” and we have changed it to “no”.