<s>
Libreswan	B-Application
is	O
a	O
fork	B-Application
of	O
the	O
Openswan	B-Protocol
IPsec	B-Protocol
VPN	B-Application
implementation	O
.	O
</s>
<s>
Libreswan	B-Application
is	O
created	O
by	O
almost	O
all	O
of	O
the	O
Openswan	B-Protocol
developers	O
after	O
a	O
lawsuit	O
about	O
the	O
ownership	O
of	O
the	O
Openswan	B-Protocol
name	O
was	O
filed	O
against	O
Paul	O
Wouters	O
,	O
the	O
release	O
manager	O
of	O
Openswan	B-Protocol
,	O
in	O
December	O
2012	O
.	O
</s>
<s>
Libreswan	B-Application
supports	O
most	O
of	O
the	O
common	O
types	O
of	O
IPsec	B-Protocol
configurations	O
people	O
use	O
including	O
configurations	O
like	O
a	O
host-to-host	O
VPN	B-Application
,	O
subnet	O
to	O
subnet	O
VPN	B-Application
.	O
</s>
