Before creating a wallet and a validator in the Axelar network on our server, we must configure server security.
The Internet is a hostile environment. Servers without protection measures are attacked many times more often than with protection. The number of attempts per second can exceed 100.
To verify this, check on your running servers. Enter the command to view bad login attempts:
last -f /var/log/btmp
Excerpt from the Failed Login Attempt Log.
In this section, practical recommendations will be given. UFW will be used as firewall there.
For those who want to go deeper into the issue of firewalls, ssh keys and creating new users, read the article from Digital Ocean:
