Missouri State has terrific support for Linux check out the help section: https://experts.missouristate.edu/display/csvhelpdesk/Cisco+VPN+Client+on+Linux They list various things they'll help you with, though most are basic, of course, like connecting to the vpn, and to wifi,

I hide the SSID and have WPA2. I've never had any issues setting up new clients (tried various phones, ps3, linux, mac, windows...)

long live Unix, and the Macintosh OS X!