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- Only allow particular IPs where possible. Do not just allow everything (0.0.0.0/0)
- You may want to restrict additional connections on your servers using a host-based firewall (such as iptables)
- For more information about CIDR notation please read https://www.digitalocean.com/community/tutorials/understanding-ip-addresses-subnets-and-cidr-notation-for-networking#cidr-notation
- For help with SSH port forwarding check out https://help.ubuntu.com/community/SSH/OpenSSH/PortForwarding
- For low risk spaces, you can disable the space firewall. This is not best practice and should be used as a temporarily temporary measure for troubleshooting and/or testing purposes.
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