Connecting to the WUSTL NIL VPN service. A good tutorial can be found here .
apt-get install vpnc
sudo cp /etc/vpnc/example.conf /etc/vpnc/nil.conf
Fill in all the information in the conf file with the help from .pcf file, and comment out the line with “IKE Authmode hybrid” because “vpnc was built without openssl: Can’t do hybrid or cert mode.”
sudo vpnc nil.conf