Pioneerpos AT Commands G24-LC Manual de usuario descargar pdf (Pagina 365)

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Chapter 3: AT Commands Reference

April 15, 2008 G24-L AT Commands Reference Manual 3-301

+MIPCFF, Control Filtering Feature for Incoming TCP Connection

The filtering feature aims to protect the G24-L from non-authorized clients trying to establish an

IP connection with it. It is applicable for cases where G24-L communicates as a listener with

others devices.

The filtering feature consists of a "white list" defined per connection. The "white list" can be

configured when filtering feature is set to disable and before connection is established. Once a

connection is established, changes in its "white list" are forbidden.

The following services are provided by the G24-L on behalf the "white list" management:

• Disable/Enable filtering on a connection;

• Add/Remove IP to/from "white list";

• Clear "white list"

After Power-up, the "white list" will be empty and disabled for all connections.

Figure 3-16: CIDR Scheme

White List List of IP addressed that represent devices which

are allowed to establish an IP connection with

G24-L. The white list is defined per connection.

Listen Mode A mode in which the G24-L expects to received

data from the other side.

IP CIDR An efficient way to represent range of

IP_Addresses. It composed of "IPaddr/A", where:

IP_address's format is "AAA.BBB.CCC.DDD",

/A indicates that the subnet mask would start with

A 1 bits.

See Figure 3-16.

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