Openswan
Encyclopedia
Openswan is a complete IPsec
implementation for Linux
2.0, 2.2, 2.4 and 2.6 kernels.
Openswan began as a fork
of the now-defunct FreeS/WAN
project, and continues to be released freely under the GNU General Public License
. Unlike the FreeS/WAN project, it is not developed exclusively for the Linux operating system.
IPsec
Internet Protocol Security is a protocol suite for securing Internet Protocol communications by authenticating and encrypting each IP packet of a communication session...
implementation for Linux
Linux
Linux is a Unix-like computer operating system assembled under the model of free and open source software development and distribution. The defining component of any Linux system is the Linux kernel, an operating system kernel first released October 5, 1991 by Linus Torvalds...
2.0, 2.2, 2.4 and 2.6 kernels.
Openswan began as a fork
Fork (software development)
In software engineering, a project fork happens when developers take a legal copy of source code from one software package and start independent development on it, creating a distinct piece of software...
of the now-defunct FreeS/WAN
FreeS/WAN
FreeS/WAN, for Free Secure Wide-Area Networking, was a free software project, which implemented a reference version of the IPsec network security layer for Linux and other Unix-like operating systems. The project goal of ubiquitous opportunistic encryption of Internet traffic was not realized,...
project, and continues to be released freely under the GNU General Public License
GNU General Public License
The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....
. Unlike the FreeS/WAN project, it is not developed exclusively for the Linux operating system.