openconnect

A VPN client, for Cisco AnyConnect VPNs and others. More information: https://www.infradead.org/openconnect/manual.html.

• Connect to a server:
  openconnect {{vpn.example.org}}
• Connect to a server, forking into the background:
  openconnect --background {{vpn.example.org}}
• Terminate the connection that is running in the background:
  killall -SIGINT openconnect
• Connect to a server, reading options from a config file:
  openconnect --config={{path/to/file}} {{vpn.example.org}}
• Connect to a server and authenticate with a specific SSL client certificate:
  openconnect --certificate={{path/to/file}} {{vpn.example.org}}