The protocol dependent filter rules abbreviation are listed as follows:
Table 115 Rule Abbreviations Used
ABBREVIATION DESCRIPTION
IP |
|
Pr | Protocol |
SA | Source Address |
SP | Source Port number |
DA | Destination Address |
DP | Destination Port number |
|
|
GEN |
|
Off | Offset |
Len | Length |
Refer to the next section for information on configuring the filter rules.
30.2.1 Configuring a Filter RuleTo configure a filter rule, type its number in Menu 21.1.x - Filter Rules Summary and press [ENTER] to open menu 21.1.x.x for the rule.
To speed up filtering, all rules in a filter set must be of the same class, i.e., protocol filters or generic filters. The class of a filter set is determined by the first rule that you create. When applying the filter sets to a port, separate menu fields are provided for protocol and device filter sets. If you include a protocol filter set in a device filter field or vice versa, the Prestige will warn you and will not allow you to save.
30.2.2 Configuring a TCP/IP Filter RuleThis section shows you how to configure a TCP/IP filter rule. TCP/IP rules allow you to base the rule on the fields in the IP and the upper layer protocol, for example, UDP and TCP headers.
To configure TCP/IP rules, select TCP/IP Filter Rule from the Filter Type field and press [ENTER] to open Menu 21.1.x.x - TCP/IP Filter Rule, as shown next.
281 | Chapter 30 Filter Configuration |