Carrier-access Multi-Service Router (MSR) Card MSR/Adit 3K GUI Manual de usuario descargar pdf (Pagina 182)

4-28 Adit 3000 (Rel. 1.6) and MSR Card (Rel 2.0) GUI

Security

Advanced Filtering

Advanced filtering is designed to allow comprehensive control over the firewall’s behavior. You can

define specific input and output rules, control the order of logically similar sets of rules, and make a

distinction between rules that apply to WAN and LAN network devices. There are two groups of rule

sets:

 Input Rule Sets

 Output Rule Sets

Input and Output Rule Sets

Field

Definition

Initial Rules Initial rules are applied against packets at any interface before applying

any other configured firewall settings. See Firewall Implementation on

page 4-37 for actual sequence.

Ethernet 1 Rules Interface specific rules are applied against packets at that particular

interface immediately after applying the Initial rules. See Firewall

Implementation on page 4-37 for actual sequence.

Note: The list of connections varies depending on the current

connections configured.

Ethernet 2 Rules

Serial 1 Rules

Multilink 1 Rules

Final Rules Final rules are applied against packets after applying all other configured

firewall settings, and before applying the General Security Policy. See

Firewall Implementation on page 4-37 for actual sequence.

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Carrier-access Multi-Service Router (MSR) Card MSR/Adit 3K GUI Manual de usuario Pagina 182