Search online for a hardware product or software application that uses IP security (IPsec). Do NOT describe IPsec in general - you must find a product or application that uses it. Your reference sou

Search online for a hardware product or software application that uses IP security (IPsec). Do NOT describe IPsec in general - you must find a product or application that uses it.  Your reference source must be from the company or organization that produces the product or created the application, NOT from some other organization that only sells or distributes it.  The source must NOT require any form of payment, subscription, registration, or login.

In your own words (do not quote in any way from any source),using 100 words explain how the product or application uses IPsec.

PureVPN

NordVPN

 Zyxel IPSec VPN

Shrew Soft VPN

strongSwan VPN

SRX Service Gateways 

Dont use these topics. These are already been used by other people.

provide the URL as well