Have you tried security oriented distro Operator.iso by ussysadmin.org? It is based on knoppix and debian. Also it is one of the best network testing and pen testers tool?
pfSense Firewall Router (6) 1Gb Intel Ethernet Ports AES-NI CPU 4GB RAM 80GB SSD
$79.95
OPNsense Network Firewall Router Security Appliance
$79.95
PFSense Firewall - New J4125 chip - 2.5 GbE - 256GB SSD - 8GB RAM - US Seller
$269.95
CISCO ASA5506-X Firewall Unlimited Host FirePOWER ASA5506-K9 Not Affected Serial
$149.99
Fortinet Fortigate FG-60D Firewall Network Security Appliance v5.4.7
$29.00
Palo Alto Networks PA200 Enterprise Firewall Security Appliance PA-200
$34.00
Palo Alto PA-220 Next-Gen Firewall
$150.00
Fortinet FortiGate FG-40F Firewall Appliance
$107.20
Cisco ASA 5516-X Firewall Adaptive Security Appliance / Not Affected Serial
$249.99
New Open Box - WatchGuard Firebox T40 Network Security/Firewall FS4AE5W - Gold
$159.00