User`s guide

AT&T Global Network Client for Windows Administrator’s Guide
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Additional Service Information
Business Internet Service
An Internet dial service, which gives you multiple email accounts and access to news groups.
FixedIP
The FixedIP service provides remote access to your company's private Intranet via a network-based VPN
to a VPN server on your Intranet. The assigned IP address can be static or assigned from a customer-
specific address pool on your VPN server. The service supports multiple protocols and provides centrally
managed network-based subnet filtering and network-based firewall security. This is a network based
VPN service and no VPN software is required on the workstation.
FixedIP DualAccess
The FixedIP DualAccess service is the same as the FixedIP service with the addition of being able to access
to the Internet using the same network connection.
Managed IPSec VPN
Managed IPSec VPN provides remote access to a company's private network via an end to end IPSec VPN
from the AT&T Global Network Client to a VPN server (AT&T SIG or Cisco) on your company’s private
Intranet. The service provides centrally managed subnet filtering on the workstation and local firewall
security as well as centrally managed network-based subnet filtering and network-based firewall security.
Managed IPSec DualAccess VPN
The Managed IPSec DualAccess VPN is the same as Managed IPSec VPN with the addition of being able to
access the Internet using the same network connection.
Managed IPSec Authentication Method
The authentication for the VPN is provided by the AT&T Global Network authentication server. The
authentication can be performed directly by the Central Authentication Server or the Central
Authentication Server can proxy to/verify the request with a customer managed authentication server.
Managed SSL VPN
The SSL VPN service, also known as Transparent Tunneling, traverses customer site proxies and firewalls
using SSL to minimize network configuration changes normally required for IPSec VPN tunneling. SSL VPN
is useful for connecting from locations that block IPSec or only allow Internet access through a proxy
server. AT&T SSL VPN is terminated by an AT&T SIG VPN Server.
Managed SSL Dual Access VPN
The Managed VPN SSL DualAccess VPN is the same as SSL VPN with the addition of being able to access
the Internet using the same network connection