Openswan

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{{Infobox software

| name = Openswan

| logo = File:Openswan Logo.gif

| screenshot =

| caption =

| author =

| developer =

| released =

| latest release version = {{wikidata|property|reference|P348}}

| latest release date = {{start date and age|{{wikidata|qualifier|P348|P577}}}}

| operating system = Linux, FreeBSD

| platform =

| language = C

| genre = IPsec

| license = GNU General Public License

| website = {{URL|openswan.org}}

| replaces = FreeS/WAN

}}

In the field of computer security, Openswan provides a complete IPsec implementation for Linux and FreeBSD.

Openswan, begun as a fork of the now-defunct FreeS/WAN project, continues to use the GNU General Public License. Unlike the FreeS/WAN project, it does not exclusively target the Linux operating system.

Libreswan forked from Openswan in 2012.{{cite web

| url=https://libreswan.org/wiki/History

| title=History of The Libreswan Project

| date=2014-07-14

| author=Paul Wouters

| access-date=2019-03-16}}