IPv6 Login

It is the year 2021, and I logged into one of my servers using IPv6 address. So far I had struggled with using IPv6 address for anything useful. Today, I was able login to a server directly from my home using an IPv6 address.

vultr.com provides servers for USD 2.5 per month, with a restriction that it will only have IPv6 address. But if you can ssh to it, why not get those cheap boxes?

$ ssh -6 [email protected]:19f0:5401:129f:5400:02ff:fea8:1fde
The authenticity of host '2001:19f0:5401:129f:5400:2ff:fea8:1fde (2001:19f0:5401:129f:5400:2ff:fea8:1fde)' can't be established.
ECDSA key fingerprint is SHA256:gcWbxG6LHOBJSssYRJdTfCt9IaRznHqn8iuD2bw3uDo.
Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
Warning: Permanently added '2001:19f0:5401:129f:5400:2ff:fea8:1fde' (ECDSA) to the list of known hosts.
Welcome to Ubuntu 19.10 (GNU/Linux 5.3.0-40-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

  System information as of Fri 03 Apr 2020 01:28:02 AM UTC

  System load:  0.08              Processes:           96
  Usage of /:   25.8% of 9.78GB   Users logged in:     0
  Memory usage: 31%               IP address for ens3: 100.68.103.207
  Swap usage:   0%


0 updates can be installed immediately.
0 of these updates are security updates.


The list of available updates is more than a week old.
To check for new updates run: sudo apt update

[email protected]:~#

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