Side by side

Azure VPN Gateway vs LibreSwan

Both stand on business vpn software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Azure VPN Gateway

Free trial AndroidAPIiPhone+4

Choose Azure VPN Gateway if you need VPN access and site-to-site networking with advanced controls and a choice of plan capacities. Look elsewhere if you need a free plan or if Basic's stated bandwidth and tunnel limits do not fit your needs.

Visit Azure VPN Gateway

LibreSwan

Free plan LinuxSelf-hosted

LibreSwan provides a free, multi-platform implementation of IPsec VPN and IKE with broad authentication and deployment documentation. Users should plan around the project's IKEv2 recommendation and the source-build requirement on OpenBSD.

Visit LibreSwan

The facts

	Azure VPN Gateway	LibreSwan
Free plan	A free trial	Yes
Open source	No	Not published
Runs on	Android, API, iPhone, Linux, Mac, Web, Windows	Linux, Self-hosted
Lowest paid plan	Basic: $26.28 a month	Free or on request
Plans published	10	1
Maker	Not published	LibreSwan
Website	azure.microsoft.com	libreswan.org
On business vpn software	#41 of 94	#37 of 94

Azure VPN Gateway: what it does well

Supports site-to-site networking.
Includes SSO and SCIM.
Device posture checks are listed.
Audit logs are available.
Supports desktop, mobile, web, CLI, and REST API access.

What to know first

There is no free plan.
Basic specifies 100 Mbps bandwidth.
Basic allows 10 site-to-site tunnels and 128 point-to-site tunnels.

LibreSwan: what it does well

Free IPsec and IKE VPN implementation
Supports Linux, FreeBSD, NetBSD, and OpenBSD
X.509 and NAT traversal extensions
Guides cover major cloud platforms
Certificate, key, and preshared authentication

What to know first

IKEv1 is deprecated
OpenBSD requires building from source
Volunteer support response times may vary
Most code uses GPLv2, with other licenses

Alternatives to Azure VPN Gateway Alternatives to LibreSwan The whole list