Need to add firewall rule to Ubuntu 18.04

Is this the way to permit 443 from anywhere in the internet?

Code:

iptables -A INPUT -p tcp --dport 443 -j ACCEPT

THX

 

Ubuntu 18.04 should use ufw by default. Use "ufw allow 443" or "ufw allow https" to achieve that.

If you are using ISPConfig, that set that from its control panel.

 

I should have specified, I am using IPtables and this is not an ISPconfig. THX