Chapter 11 Filter configuration 145Nortel Business Secure Router 252 Configuration — AdvancedFigure 65 Menu 21.1.1.1 – Generic Filter RuleTable 32 describes the fields in the Generic Filter Rule menu.Menu 21.1.1.1 - Generic Filter RuleFilter #: 2,3Filter Type= Generic Filter RuleActive= NoOffset= 0Length= 0Mask= N/AValue= N/AMore= No Log= NoneAction Matched= Check Next RuleAction Not Matched= Check Next RulePress ENTER to Confirm or ESC to Cancel:Press Space Bar to Toggle.Table 32 Generic Filter Rule Menu fieldsField Description OptionsFilter # This is the filter set, filter rule coordinates, for example, 2,3refers to the second filter set and the third rule of that set.FilterTypeUse [SPACE BAR] and then [ENTER] to select a rule type.Parameters displayed below each type will be different. TCP/IP filter rules are used to filter IP packets while generic filterrules allow filtering of non-IP packets.Generic FilterRuleTCP/IP FilterRuleActive Select Yes to turn on the filter rule or No to turn it off. Yes / NoOffset Enter the starting byte of the data portion in the packet thatyou wish to compare. The range for this field is from 0 to255.0-255Length Enter the byte count of the data portion in the packet that youwish to compare. The range for this field is 0 to 8.0-8Mask Enter the mask (in Hexadecimal notation) to apply to thedata portion before comparison.
