Cisco Secure Client (formerly AnyConnect) is a unified endpoint security agent that provides secure remote access via VPN and ZTNA, integrated with advanced endpoint protection. It simplifies security by combining multiple modules—including VPN, DNS-layer security (Umbrella), and posture check—into one agent to protect users on any network. This slackbuild installs the VPN app only. IMPORTANT NOTE: This package requires libsystemd.so.0 which is part of systemd, which doesn't come with Slackware. So you MUST use libelogind to provide libsystemd compatibility. After installation, After installation: 1. Create this symlink: ln -sf /lib64/libelogind.so.0 /lib64/libsystemd.so.0 2. Make the rc script executalbe: chmod +x /etc/rc.d/rc.cisco-secure-client-vpn 3. Start the rc script as root: /etc/rc.d/rc.cisco-secure-client-vpn start 4. Run the app from the app launcher. To start the agent at boot, add the rc script to /etc/rc.d/rc.local.