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Microsoft® Windows® Group Policy Guide by William R. Stanek, Derek Melber, Darren Mar-Elia, The Microsoft Group Policy Team

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Windows Firewall

Windows Firewall (previously called Internet Connection Firewall, or ICF) is a software-based, stateful filtering firewall for Windows XP and Windows Server 2003. Windows Firewall provides protection for computers that are connected to a network by preventing unsolicited incoming traffic through TCP/IP version 4 (IPv4) and TCP/IP version 6 (IPv6). Configuration options include:

  • Configuring and enabling port-based exceptions

  • Configuring and enabling program-based exceptions

  • Configuring basic ICMP options

  • Logging dropped packets and successful connections

Changes to Windows Firewall

In earlier versions of Windows, Windows Firewall was configured on a per-interface basis giving each network connection had its own set of firewall settings. ...

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