FreeSWAN
FreeSWAN is an open-source implementation of the Secure Wide-area Network (SWAN) protocol, designed primarily for creating secure, authenticated communication channels over untrusted networks. Developed by the FreeSWAN project, it extends the capabilities of the Internet Security Association and Key Management Protocol (ISAKMP) and Internet Key Exchange (IKE) to facilitate Virtual Private Network (VPN) connections.
Originally released in the late 1990s, FreeSWAN became one of the first software solutions to provide a
FreeSWAN operates as a daemon that manages security associations, negotiates cryptographic parameters, and maintains secure communication
The project is maintained by the FreeSWAN community, which continues to update the software to incorporate
Overall, FreeSWAN played a significant role in popularizing open-source VPN solutions and contributed to the development