Licensing

The Netgate TNSR product uses a combination of Open Source and proprietary software subject to several different licenses.

The following list shows each Open Source component along with its license.

Table of Open Source Licenses Used

Software	License
Ubuntu	Intellectual property rights policy
Linux kernel and modules	GPLv2
cligen	Apache 2.0
clixon	Apache 2.0
curl	MIT
davici	LGPLv2.1
frr	GPLv2
kea	MPL 2.0
libgit2	GPLv2+linking
libnl	LGPLv2.1
net-snmp	Net SNMP
NPF (VPF)	BSD 2-clause
ntp	NTP License
openssl	OpenSSL/SSLeay
strongswan	GPLv2
unbound	BSD 3-clause
VPP	Apache 2.0

GPL-licensed code modified for use in TNSR is available in source form:

Table of Modified Open Source Repositories

Package	Repository Location
frr	http://github.com/netgate/frr
strongswan	http://github.com/netgate/strongswan
Hyper-V Linux kernel modules	https://github.com/netgate/uio_hv_generic