Siemens SpeedStream-4300 Router Manual PDF (Setup & Configuration Guide)

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Router User’s Guide

Monitoring Network Health

9. If you selected

This IP Address

, enter an IP address in the

IP Address

field. And do one of the

following:

•

Enter a netmask in the

Netmask

field.

•

Or, select

or Host

to use your Router netmask as the source netmask.

10. Under the

Destination

heading, select a network connection from the

Network Interface

drop-down

menu.

11. Select one of the following options:

•

Any IP Address

Select this option if this rule applies to any IP address of the destination.

•

This IP Address

Select this option if a rule applies to a specific IP address of the destination.

12. If you selected

This IP Address

, enter an IP address in the

IP Address

field. And do one of the

following:

•

Enter a netmask in the

Netmask

field.

•

Or, select

or Host

to use your Router netmask as the destination netmask.

13. Click

14. Do one of the following:

•

Select one of the following protocol options from the

Select by Name

drop-down menu. This

defines the types of packets filtered.

−

Any Protocol

−

TCP (Transmission Control Protocol)

Provides reliable, sequenced, and unduplicated delivery of bytes to remote or local users.

Click Next to display the “

TCP/UDP Options

” window.

−

UDP

(User Datagram Protocol)

Provides for the exchange of datagrams without acknowledgement or guaranteed delivery.

Click Next to display the “

TCP/UDP Options

” window.

−

ICMP

(Internet Control Message Protocol)

A mechanism that provides for peer communication. The most commonly used application for

this protocol is the PING command. Click

ICMP Options

” window.

−

GRE

(Generic Routing Encapsulation):

A tunneling protocol that is used primarily for VPN (Virtual Private Networks).

•

Type a protocol number in the

Select by Number

field.

15. Click

Finish

.

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Router User’s Guide

Monitoring Network Health

TCP/UDP Options Window

The “TCP/UDP Options” window is displayed if you select TCP or UDP protocol from the “

Protocol

Definition

” window. If you selected either of these protocol types, you must identify the source and

destination ports.

1.

Select one of the following options from the

Source Port Operator

drop-down menu and the

Destination Port Operator

drop-down menu:

•

any

Any port is acceptable as the source/destination port.

•

less than or equal to

A port less than or equal to the numeric value in the

Port 1

field is acceptable as the

source/destination port. Be sure to provide a value in the

Port 1

field.

•

equal to

A port equal to the numeric value in the

Port 1

field is acceptable as the source/destination port.

Be sure to provide a value in the

Port 1

field.

•

greater than or equal to

a port greater than or equal to the numeric value in the

Port 1

field is acceptable as the

source/destination port. Be sure to provide a value in the

Port 1

field.

•

range

Any port between the value of the entry in the

Port 1

field and the value in the

Port 2

field is

acceptable as the source/destination port. Be sure to provide a value in the

Port 1

and

Port 2

fields.

2. Optionally, select the

Check TCP syn packets

checkbox if you wish this rule to prevent the blocking

of synchronization packets for pre-existing sessions.

3. Click

4. Click

Finish

.

49

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Router User’s Guide

Monitoring Network Health

ICMP Options Window

The “ICMP Options” window is displayed if you select ICMP protocol from the “

Protocol Definition

”

window.

1.

Do one of the following:

•

Select any of the ICMP options you wish to filter.

•

Select the

All Types

checkbox to filter all options.

2. Click

3. Click

Finish

.

50

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Router User’s Guide

Monitoring Network Health

Clone IP Filter Rules

The “Clone Rule Definitions” window is displayed when you select

Clone IP Filter Level

from the

“

Firewall IP Configuration Wizard

” window. Using this option, you can clone either high or low level rules

and modify them according to your needs. If you choose to clone IP filter rules, the rules already defined

in the Rule Definition table are discarded.

To clone IP filter rules:

1. Click

Clone IP Filter Level

from the “Firewall IP Filter Configuration Wizard” window. This displays

the “Clone Rule Definition” window.

2.

Select one of the following from the

Select

preconfigured firewall level for cloning

drop-down

menu.

•

Low

Clones low-level IP filter rules.

•

Medium

Clones medium-level IP filter rules.

•

High

Clones high-level IP filter rules.

3. Click

Apply

. This displays the “Firewall IP Filter Configuration Wizard” window with the selected rule

set showing in the Rule Definition table.

4.

Disable or delete any rule as desired.

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Router User’s Guide

Monitoring Network Health

Log

Firewall Logging displays attempts (both failures and successes) to access data through he firewall.

Firewall log entries are defined on the

Firewall Settings

Configuration

screen found under the

Security

menu.

To view the firewall log, select

Setup>Firewall>Log

from the left navigation pane of the Web interface.

This displays the “Firewall Log” window.

52

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