General Knoppix support for those who've read the FAQ at the Wiki
Fortinet FortiGate 60F | 10 Gbps Firewall Network Security EXPIRED (FG-60F)- New
$251.99
Cisco FPR1010-NGFW-K9 FirePOWER Security Appliance **CISCO EXCESS**
$339.00
SonicWALL TZ300 Network Security Appl FirewallRouter5pt 01-SSC-0215TransferReady
$45.00
Palo Alto PA-220 Next-Gen Firewall 750-000128-00A w/ Power adapter
$68.00
Cisco ASA 5506-X Network Security Firewall Appliance
$39.99
Cisco ASA5505 5505 Series V09 Adaptive Security Firewall Appliance No PS
$29.99
WatchGuard XTM 3 Series NC5AE7 5-port Firewall with Power Adapter
$35.00
Fortinet Fortigate-60E Network Security Firewall FG-60E White
$59.00
Fortinet Fortiwifi 60D FG-60D Security Appliance Firewall / VPN w/ AC Adapter
$34.97
Fortinet FortiGate 90D Network Security Firewall Appliance Model FG-90D
$59.99