Update lock-down-sshd.md

simonw · web-flow · commit 9eed7ba80db3 · 2020-04-23T07:27:13.000-07:00
diff --git a/tailscale/lock-down-sshd.md b/tailscale/lock-down-sshd.md
@@ -32,6 +32,8 @@ I can now SSH to Tailscale from my laptop, but only if I use the Tailscale IP ad
 ```
 ssh ubuntu@100.122.168.55 -i lightsail.pem
 ```
+Bonus: point a real DNS subdomain at the Tailscale IP and you can `ssh ubuntu@realsubdomain.example.com` instead of remembering the IP address.
+
 Handy debugging tip: `tail -f /var/log/auth.log` shows recent sign-in attempts.
 
 Thanks to [@apenwarr for tips](https://twitter.com/apenwarr/status/1253318250131263489).

-Original file line number
+Diff line change
 ```
 ssh [email protected] -i lightsail.pem
 ```
 +Bonus: point a real DNS subdomain at the Tailscale IP and you can `ssh [email protected]` instead of remembering the IP address.
++
 Handy debugging tip: `tail -f /var/log/auth.log` shows recent sign-in attempts.
 Thanks to [@apenwarr for tips](https://twitter.com/apenwarr/status/1253318250131263489).