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Glam Journal

How to use strongSwan VPN on Android?

Author

Chloe Ramirez

Updated on March 04, 2026

How to use strongSwan VPN on Android?

Manually Configure VPN Settings

  1. Email the rootca. pem file to your Android device.
  2. In the email message, tap the attached rootca.
  3. Select Import Certificate.
  4. Download and install the strongSwan VPN client from the Google Play store.
  5. Open the strongSwan VPN client.
  6. Select Add VPN Profile.
  7. Specify this information:

How do I connect to strongSwan VPN?

The steps are the same or very similar.

  1. Start by opening the Play Store.
  2. Enter “strongswan” in the search field, tap on “strongSwan VPN Client” in the search results list.
  3. Once you are on the application’s page, tap “Install” button.
  4. Then you will see the permissions window, tap “Accept”.

Is strongSwan free?

The free strongSwan App can be downloaded from Google Play. The VPN client supports IKEv2 only with EAP-MD5 or EAP-MSCHAPv2 password-based, or certificate based user authentication and certificate-based VPN gateway authentication.

Does Android have a built in VPN?

Android includes a built-in (PPTP, L2TP/IPSec, and IPSec) VPN client. Devices running Android 4.0 and later also support VPN apps. You might need a VPN app (instead of built-in VPN) for the following reasons: To configure the VPN using an enterprise mobility management (EMM) console.

What is strongSwan VPN?

strongSwan is a multiplatform IPsec implementation. The focus of the project is on strong authentication mechanisms using X. 509 public key certificates and optional secure storage of private keys and certificates on smartcards through a standardized PKCS#11 interface and on TPM 2.0.

Does OpenVPN support IKEv2?

Is OpenVPN standards-compliant? As a user-space VPN daemon, OpenVPN is compatible with SSL/TLS, RSA Certificates and X509 PKI, NAT, DHCP, and TUN/TAP virtual devices. OpenVPN is not compatible with IPSec, IKE, PPTP, or L2TP.

What is the difference between Openswan and strongSwan?

Libreswan is the project the Openswan developers created after the company they had originally founded to develop Openswan sued them over the trademark. So Libreswan is what we will discuss here. The most obvious differences are: StrongSwan has much more comprehensive and developed documentation than Libreswan.

What is the use of L2TP?

In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs) or as part of the delivery of services by ISPs.

What is strongSwan package?

strongswan package in Ubuntu strongSwan is a complete IPsec implementation for the Linux, Android, FreeBSD, Mac OS X and Windows operating systems. It interoperates with with most other IPsec-based VPN products via the IKEv2 or IKEv1 key exchange protocols.

How do I turn on VPN on Android?

  1. If you haven’t already, add a VPN.
  2. Open your phone’s Settings app.
  3. Tap Network & internet Advanced. VPN.
  4. Next to the VPN you want to change, tap Settings .
  5. Turn Always-on VPN on or off. If you’ve set up a VPN through an app, you won’t have the always-on option.
  6. If needed, tap Save.

How do I know if my VPN is working on Android?

Search “what is my IP” again in Google (or use an IP lookup site) and check the result against your VPN’s virtual IP address. If they match, then you know your VPN is effectively hiding your real IP address.

What is strongSwan Service Linux?

strongSwan is an open-source, cross-platform, full-featured and widely-used IPsec-based VPN (Virtual Private Network) implementation that runs on Linux, FreeBSD, OS X, Windows, Android, and iOS.

Where can I download the strongSwan VPN client for Android?

The strongSwan VPN Client for Android 4 and newer is an app that can be installed directly from Google Play. Aside from Google Play the released APKs are also available on our download server.

What devices are supported by ipsec/l2tp?

IPsec/L2TP is natively supported by Android, iOS, OS X, and Windows. There is no additional software to install. Setup should only take a few minutes. In case you are unable to connect, first check to make sure the VPN credentials were entered correctly.

How do I set up L2TP on Ubuntu?

Ubuntu Linux Ubuntu 18.04 (and newer) users can install the network-manager-l2tp-gnome package using apt, then configure the IPsec/L2TP VPN client using the GUI. Ubuntu 16.04 users may need to add the nm-l2tp PPA, read more here. Go to Settings -> Network -> VPN.