Install libcharon-standard-plugins by entering the following commands in the terminal:
sudo apt update sudo apt install libcharon-standard-plugins
Description:
strongSwan charon library (standard plugins)
The strongSwan VPN suite uses the native IPsec stack in the standard Linux kernel. It supports both the IKEv1 and IKEv2 protocols. . This package provides standard plugins for the charon library: - eap-mschapv2 (EAP-MSCHAPv2 protocol handler using passwords/NT hashes) - xauth-generic (Generic XAuth backend that provides passwords from ipsec.secrets and other credential sets)
Homepage: http://www.strongswan.org
Version: 5.6.2-1ubuntu2
Section: net