Using knoppix on laptops. LCD screens, APM, PCMCIA ...
Firewall pfSense 2.7.2 - intel N3160 CPU -8GB Memory - Dual NIC 1 GB - 128GB SSD
$97.77
Protectli Vault FW2B-0-4-32 2 Ports No Power Adapter
$86.39
Cisco Firepower 1000 Series FPR-1010 Network Security/Firewall
$194.99
♻️ Palo Alto PA-220 Next-Gen Firewall 8x Gigabit Ports Fanless Design ⚡Fast Ship
$34.99
Fortinet Fortigate-61e Security Firewall Appliance No AC Adapter/SSD
$34.99
Fanless Mini PC Intel J1900 4 LAN Port 4G RAM/64G SSD Fanless pfSense Firewall
$95.00
Fortinet Fortigate-60E Network Security Firewall Initialized FG-60E w/Adapter
$89.00
Fortinet Fortigate-50E Network Security Firewall Initialized FG-50E w/Adapter
$39.99
Cisco ASA 5508-X Firewall Adaptive Security Appliance / Not Affected Serial
$54.99
Juniper Networks SRX345 Security Services Firewall with Rack Ears & PWR Cable
$114.99