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?
1U Supermicro Server 10 Bay 2x Intel Xeon 3.3Ghz 8C 128GB RAM 240GB SSD 2x 10GBE
$259.00
1U BareMetal pfsense opnsense Router Firewall DNS Server 6x 10GB Ethernet Ports
$149.00
$198.00
Supermicro 1U Server X9SRI-F Xeon E5-2640 v2 2.5Ghz 16-Cores / 64GB / No HDD
$149.99
HP Proliant MicroServer (Model: HSTNS-5151) NO HARD DRIVES-Power Tested,
$99.99
SuperMicro Server 505-2 Intel Atom 2.4GHz 8GB RAM SYS-5018A-FTN4 1U Rackmount
$202.49
SuperMicro SuperServer 5018A-FTN4 505-2 Intel Atom @ 2.4GHz 8GB w/ Ears
$174.99
HP 658552-001 PROLIANT MICROSERVER AMD TURION II NEO N40L DUAL-CORE 1.5GHz 8GB
$100.00
2U 12 Bay SAS3 SuperMicro Server 6028U-TR4T+ W/ X10DRU-i+ Barebone 12 Caddy RAIL
$299.00
*READ* SYS-5019S-M2 - Supermicro 813M-3 4X3.5" 32GB DDR4
$260.00