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1. IPsec solutions Racoon2 Libreswan Strongswan.

1. Racoon2:

• • Advantages:

-Lightweight and easy to use with minimal CPU/RAM usage, compared to other solutions. - Native on FreeBSD. - Simple configuration for point-to-point.

• • Disadvantages:

- Project not actively maintained, last update was in 2020. - Limited support for modern features (IKEv2, NAT traversal), configuration is possible but may be more complex than others solutions. - Apple clients can have difficulty connecting because of the limitations of pfkeyv2 interface to the linux kernel that racoon2 uses. - Harder to configure for complex setups.

2. Libreswan:

• • Advantages:

- Actively maintained and stable on older hardware - IRC community. - Support NAT traversal, IKEv2 and enterprise VPN.

• • Disadvantages:

- Less native support on FreeBSD. - heavier on ressource usage. - might need kernel patches.

3. Strongswan:

• • Advantages:

- Modern and actively maintained. - Full support for IKEv2, EAP, PKI and Mobike - Well documented with community support. - Native of FreeBSD and Linux.

• • Disadvantages:

- More complex to configure than racoon2 and libreswan. - Slightly heavier on ressources

1. Summary:

• • Racoon2: easier to configure for basic setups but it is a deprecated project
  • Libreswan: stable and maintained but less native on FreeBSD, might need kernel patches.
  • Strongswan: Most modern solution with good documentation and community supports more protocols than the other solutions but might be more complex to configure and is heavier than others solutions