Firewalld vs ZeroTier

Firewalld

Security & Privacy

Firewalld is a firewall management tool for Linux operating systems. It provides a dynamically managed firewall with support for network zones to define the trust level of network connections and interfaces. Firewalld is the default firewall solution in latest Red Hat based Linux distributions.

ZeroTier

Network & Admin

ZeroTier is an open-source program that creates a virtual encrypted network between devices and across the internet. It allows devices to communicate over a private network as if they are locally connected, bypassing firewalls and NAT.