Oracle Linux: How to Configure IPsec to Secure Site-to-Site Communications Using Libreswan.
(Doc ID 2372172.1)
Last updated on AUGUST 15, 2021
Applies to:
Oracle Cloud Infrastructure - Version N/A and later Linux OS - Version Oracle Linux 6.0 and later Linux x86-64
Goal
This document describes how to configure IPsec (Internet Protocol Security) on Oracle Linux to secure site-to-site communications by using libreswan, which is a variant of openswan. In this scenario, IPsec acts as a tunnel, permitting secure accesses between private networks or sites that are otherwise invisible to one another. Site-to-site connectivity is also referred to as VPN (Virtual Private Network).
Solution
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