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UK's security branch says Ubuntu most secure end-user OS Jan 17, 2014 VPN for Faculty, Staff and Students | iTech | The Apr 06, 2020

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This is a guide on setting up an IPSEC/L2TP vpn server with Ubuntu 13.10 using Openswan as the IPsec server, xl2tpd as the l2tp provider and ppp or local users / PAM for authentication. It has a detailed explanation with every step. We choose the IPSEC/L2TP protocol stack because of recent vulnerabilities found in pptpd VPNs. How to install Cisco VPN client on Ubuntu 13.04, 13.10 Aug 03, 2013 how to connect to ipsec VPN using Ubuntu 13.10 - Ask Ubuntu