Issues relating to HDD Installs. Once you have installed Knoppix, it basicly becomes debian, so you should check out www.debian.org for information.
Cisco ASA5525-K9 ASA 5525-X Security/Firewall Appliance 1 Year Warranty
$138.00
Cisco ASA5545-K9 ASA 5545-X Firewall Edition 1 Year Warranty
$115.00
Cisco ASA5506-SEC-BUN-K9 8-Ports 10/100/1000Base-T GbE Firewall 1 Year Warranty
$280.00
WatchGuard Firebox | M200 ML3AE8 | Network Security Firewall
$24.99
Zyxel USG20-VPN VPN Firewall Router In Box
$35.00
OPNsense six-port Gigabit router/firewall on Lanner FW-7535 hardware
$69.00
Cisco ASA 5506-X Firewall Security Appliance
$29.99
Fortinet Fortiwifi 60D FG-60D Security Appliance Firewall / VPN w/ AC Adapter
$34.97
Cisco Meraki MX68 Cloud Managed Security Appliance Unclaimed w/ Power Adapter
$159.95
Pulse Secure PSA3000 Security Firewall Appliance SSL VPN
$69.99