How to run makefile under firewall?

Checking Firewall Equivalence with Z3 (2018)

I just learned: Docker edits firewall rules for you

Why can std::net TCP sockets communicate even though my firewall blocks inbound traffic?

More Than 4,400 Sophos Firewall Servers Remain Vulnerable To Critical Exploits

Opensnitch, application level interactive firewall, heading into Debian

Portmaster 1.0 – Open-Source Network Monitor and Privacy Firewall

A Firewall for Internet of Things

The Iran Firewall: A preliminary report

Low-cost SSH access to server behind firewall?