NCP Secure Entry Client for communication with any IPSec gateway (compatibility list at http://www.ncp.de). Supports all transmission networks like ISDN, the analog network, xDSL, Internet, GSM, GPRS, UMTS, LAN, WLAN, and it runs under all Windows operating systems. Authentication is executed either through OTP tokens or certificates in a PKI, at your discretion. The permanently integrated Personal Firewall shields the PC against attacks.