• EnableSecurityFilters
  • Parameters Configurable from the User Interface




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    Parameters Configurable from the User Interface


    The following parameters are created and modified automatically by configuring TCP/IP properties from Network Connections. There should be no need to configure them directly in the registry.
    DefaultGateway

    Key: Tcpip\Parameters\Interfaces\interfaceGUID

    Value Type: REG_MULTI_SZ—list of dotted decimal IP addresses

    Valid Range: Any set of valid IP addresses

    Default: None

    Description: This parameter specifies the list of gateways to be used to route packets that are not destined for a subnet that the computer is directly connected to, and for which a more specific route does not exist. This parameter, if it has a valid value, overrides the DhcpDefaultGateway parameter. There is only one active default gateway for the computer at any time, so adding multiple addresses is only done for redundancy. See the “Dead Gateway Detection” section in this paper for details.
    Domain

    Key: Tcpip\Parameters\Interfaces\interfaceGUID

    Value Type: REG_SZ—character string

    Valid Range: Any valid DNS domain name

    Default: None

    Description: This parameter specifies the DNS domain name of the interface. In Windows Server 2003, this and NameServer are per-interface parameters, rather than system-wide parameters. This parameter overrides the DhcpDomain parameter (filled in by the DHCP client), if it exists.
    EnableDhcp

    Key: Tcpip\Parameters\Interfaces\interfaceGUID

    Value Type: REG_DWORD—Boolean

    Valid Range: 0, 1 (false, true)

    Default: 0 (false)

    Description: If this parameter is set to 1 (true), the DHCP client service attempts to use DHCP to configure the first IP interface on this adapter.
    EnableSecurityFilters

    Key: Tcpip\Parameters

    Value Type: REG_DWORD—Boolean

    Valid Range: 0, 1 (false, true)

    Default: 0 (false)

    Description: If this parameter is set to 1 (true), IP security filters are enabled. See TcpAllowedPorts, UdpAllowedPorts, and RawIPAllowedPorts. To configure these values, on the Start menu, point to Settings, then click Network Connections, right-click Local Area Connection, and then click Properties. Select Internet Protocol (TCP/IP), and click Properties, then click Advanced. Click the Options tab, select TCP/IP filtering, and click Properties.
    Hostname

    Key: Tcpip\Parameters

    Value Type: REG_SZ—character string

    Valid Range: Any valid DNS hostname

    Default: The computer name of the system

    Description: This parameter specifies the DNS host name of the system, which is returned by the hostname command.
    IPAddress

    Key: Tcpip\Parameters\Interfaces\interfaceGUID

    Value Type: REG_MULTI_SZ—list of dotted-decimal IP addresses

    Valid Range: Any set of valid IP addresses

    Default: None

    Description: This parameter specifies the IP addresses of the IP interfaces to be bound to the adapter. If the first address in the list is 0.0.0.0, the primary interface on the adapter is configured from DHCP. A system with more than one IP interface for an adapter is logically multihomed. There must be a valid subnet mask value in the SubnetMask parameter for each IP address that is specified in this parameter. To add parameters with Regedit.exe, select this key and type the list of IP addresses, pressing Enter after each one. Then modify the SubnetMask value, and type a corresponding list of subnet masks.
    NameServer

    Key: Tcpip\Parameters\Interfaces\interfaceGUID

    Value Type: REG_SZ—a space delimited list of dotted decimal IP addresses

    Valid Range: Any set of valid IP address

    Default: None (blank)

    Description: This parameter specifies the DNS name servers that Windows Sockets queries to resolve names. In Windows Server 2003, this and the DomainName are per-interface settings.
    RawIpAllowedProtocols

    Key: Tcpip\Parameters\Interfaces\interfaceGUID

    Value Type: REG_MULTI_SZ—list of IP protocol numbers

    Valid Range: Any set of valid IP protocol numbers

    Default: None

    Description: This parameter specifies the list of IP protocol numbers for which incoming datagrams are accepted on an IP interface when security filtering is enabled (EnableSecurityFilters = 1). The parameter controls the acceptance of IP datagrams by the raw IP transport, which is used to provide raw sockets. It does not control IP datagrams that are passed to other transports (for example, TCP). An empty list indicates that no values are acceptable. A single value of 0 indicates that all values are acceptable. The behavior of a list containing the value 0 mixed with other, nonzero values is undefined. If this parameter is missing from an interface, all values are acceptable. This parameter applies to all IP interfaces that are configured on a specific adapter.
    SearchList

    Key: Tcpip\Parameters

    Value Type: REG_SZ—space delimited list of DNS domain name suffixes

    Valid Range: 1-50

    Default: None

    Description: This parameter specifies a list of domain name suffixes to append to a name to be resolved through DNS if resolution of the unadorned name fails. By default, only the value of the Domain parameter is appended. This parameter is used by the Windows Sockets interface. See also the AllowUnqualifiedQuery parameter.
    SubnetMask

    Key: Tcpip\Parameters\Interfaces\interfaceGUID

    Value Type: REG_MULTI_SZ—list of dotted decimal subnet masks

    Valid Range: Any set of valid subnet masks.

    Default: None

    Description: This parameter specifies the subnet masks to be used with the IP interfaces bound to the adapter. If the first mask in the list is 0.0.0.0, the primary interface on the adapter is configured using DHCP. There must be a valid subnet mask value in this parameter for each IP address specified in the IPAddress parameter.
    TcpAllowedPorts

    Key: Tcpip\Parameters\Interfaces\interfaceGUID

    Value Type: REG_MULTI_SZ—list of TCP port numbers

    Valid Range: Any set of valid TCP port numbers

    Default: None

    Description: This parameter specifies the list of TCP port numbers for which incoming SYNs are accepted on an IP interface when security filtering is enabled (EnableSecurityFilters = 1). An empty list indicates that no values are acceptable. A single value of 0 indicates that all values are acceptable. The behavior of a list containing the value 0 mixed with other, nonzero values is undefined. If this parameter is missing from an interface, all values are acceptable. This parameter applies to all IP interfaces configured on a specified adapter.
    UdpAllowedPorts

    Key: Tcpip\Parameters\Interfaces\interfaceGUID

    Value Type: REG_MULTI_SZ—list of UDP port numbers

    Valid Range: Any set of valid UDP port numbers

    Default: None

    Description: This parameter specifies the list of UDP port numbers for which incoming datagrams are accepted on an IP interface when security filtering is enabled (EnableSecurityFilters = 1). An empty list indicates that no values are acceptable. A single value of 0 indicates that all values are acceptable. The behavior of a list containing the value 0 mixed with other, nonzero values is undefined. If this parameter is missing from an interface, all values are acceptable. This parameter applies to all IP interfaces configured on a specified adapter.


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    Parameters Configurable from the User Interface

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