General Knoppix support for those who've read the FAQ at the Wiki
FORTINET FORTIGATE 40F Next GEN Firewall Network Security EXPIRED (FG-40F)- New
$159.99
Genuine Fortinet FortiGate 60E-POE Firewall Network Security ATP Bundle 2 years
$919.00
Cisco ASA 5525-X ASA5525 8-Port Firewall Adaptive Security Appliance
$59.99
Fortinet Fortigate 61E FG-61E Network Security/Firewall Appliance
$99.00
Fortinet Fortiwifi 60D FG-60D Security Appliance Firewall / VPN w/ AC Adapter
$34.97
Fortinet Fortigate FG-60E Seven Port Network Security Firewall W/AC Adapter
$59.99
WatchGuard XTM 5 Series NC2AE8 Firewall Security Device - Tested
$19.99
Fortinet FortiGate | FG-400D | Network Firewall Appliance
$43.99
Barracuda Networks X300 VPN Firewall Network Security 6x 1GbE Port NSA1120A-X300
$31.23
Cisco FPR2110-ASA-K9 FirePOWER Firewall Security Appliance-Lifetime Warranty
$348.00