openconnect
SSL VPN client
TLDR
Connect to VPN
$ openconnect [vpn.example.com]
Connect with username$ openconnect -u [username] [vpn.example.com]
Use certificate$ openconnect -c [cert.pem] [vpn.example.com]
Specify protocol$ openconnect --protocol=[anyconnect|nc|gp] [vpn.example.com]
Background mode$ openconnect -b [vpn.example.com]
SYNOPSIS
openconnect [options] server
DESCRIPTION
openconnect is an SSL VPN client. Compatible with Cisco AnyConnect.The tool establishes VPN connections. Supports multiple protocols.
PARAMETERS
SERVER
VPN server address.-u USER
Username.-c CERT
Client certificate.--protocol PROTO
VPN protocol.-b
Run in background.--help
Display help information.
INSTALL
sudo apt install openconnect
sudo dnf install openconnect
sudo pacman -S openconnect
sudo apk add openconnect
sudo zypper install openconnect
brew install openconnect
nix profile install nixpkgs#openconnect
CAVEATS
Requires root/sudo for tun device. Multiple protocol support.
HISTORY
openconnect was created as an open-source alternative to Cisco AnyConnect client.