| IPsec implementation for Linux, fork of Openswan | |
| https://libreswan.org/ | |
| libreswan-5.0 | GPL-2 BSD-4 RSA DES |
| download~amd64 ~arm ~arm64 ~ppc ~x86 | gentoo |
| libreswan-4.15 | GPL-2 BSD-4 RSA DES |
| downloadamd64 ~arm ~arm64 ~ppc x86 | gentoo |
| libreswan-4.14 | GPL-2 BSD-4 RSA DES |
| downloadamd64 ~arm ~arm64 ~ppc x86 | gentoo |