Efficient Networks SpeedStream 4000 Specifikace stáhnout pdf (Strana 475)

100

101

Efficient Networks

Router family

Command Line Interface Guide

Chapter 18: Stateful Firewall Commands

Efficient Networks

Page 18-9

Example

Example command deletes all firewall rules from the allow rules list.

Response

Command prompt.

firewall deny

Creates a firewall rule that will be added to the firewall deny rules list. To view the

current deny firewall rules, use the firewall list command.

NOTE:

If NAT is enabled on the router, then the outgoing firewall rules should be specified in

terms of the private addresses. However, for inbound rules, the rules would need to

use the router’s WAN address.

Mgmt Class

Security (R/W)

Input Format

firewall deny <protocol | application> [<parameters>]

Parameters

The following parameters specify the <protocol> (-p) or <application> (-a)

characteristics that a packet must have in order to match the firewall rule:

-> firewall delete all allow

-p | tcp | udp | icmp | <protocol number>

Integer, numerical protocol ID.

The packet must have the specified protocol.

Packets must match the assigned application characteristics.

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