The VyOS Linux distribution puts network routing, firewall, and VPN functionality together and presents a fully working dynamic multipoint VPN router as an alternative or addition to a Cisco DMVPN mesh.
Numerous PowerShell add-on modules provide security and attack functions for penetration tests and forensic analyses, to help admins search for vulnerabilities in their networks.
After a decade in service, TLS 1.2 is showing many signs of aging. Its immediate successor, TLS 1.3, has earned the approval of the IETF. Some major changes are on the way.
If you are looking for a monitoring, alerting, and trending solution for large landscapes, you will find all the components you need in the TICK Stack.