Command Filters - Digi TransPort WR31 User Manual

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Configure security settings

Command filters

When the command filtering feature is enabled, commands will not reach the router's command

interpreter unless they are defined in the Command Filters table. Terminal devices may send

commands that the router will not necessarily understand but that require a basic OK or ERROR

With command filtering turned on, any command entered will be responded to with a MODEM-like

OK or ERROR response (depending on settings below) unless the command is found in the

Command Filters table. The command filter uses wild-card character matching so that command

filters such as cmd* are permitted which would allow all cmd 0 ... commands to be executed. Note

that the command mapping table is checked first and the command filter table is only checked if

there was not a match in the command matching table.

For more information on command filtering, see Application Note 17, Command Line Response

Manipulation, which is available on the Digi web site (www.digi.com).

The table is generated by typing the desired command into the text box and clicking the Add

button. Once a command has been entered into the table, it can be removed by clicking the Delete

button that appears on the right hand side.

The command to filter.

Digi TransPort WR Routers User Guide

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