IPsecin
IPsecin is a term sometimes used to describe the integration of IPsec capabilities into networks and devices to secure IP traffic. It is not an official protocol or standard named IPsecin, but a shorthand for how IPsec is deployed across hosts, routers, and gateways in practice.
IPsec itself provides authentication, data integrity, and confidentiality for IP packets. It achieves these goals using
In IPsecin deployments, administrators focus on establishing Security Associations (SAs) and matching policies to traffic selectors.
Implementations vary from kernel-space stacks in operating systems (for example, Linux with strongSwan or LibreSwan) to