Multitech PROXYSERVER MTPSR1-120 User's Guide download pdf (Page 40)

Firewall User Guide

Filtering

The Filters dialog lets you configure the Firewall so that IP packets that are received by the

server can be selectively filtered or forwarded based on their addresses or by the protocol ports

to which they are destined.

The five filtering methods are:

• Internet Sites (IP Address) - In this method, IP packets can be filtered based on the IP

address of an Internet Site. To add a new filter, enter the proper IP address in the

Destination IP Address field and click Add.

• Internet Sites (Domain Name) - In this method, IP packets can be filtered based on the

domain name of an Internet Site. To add a new filter, enter the proper domain name in the

Domain Name field and click Add.

• Client Workstations (IP Address) - In this method, IP packets can be filtered based on the

IP address of a Client workstation. To add a new filter, enter the workstation IP address in the

Source IP Address field and click Add.

• Client Workstations (MAC Address) - In this method, IP packets can be filtered based on

the MAC address of a Client workstation. To add a new filter, enter the workstation MAC

address in the MAC Address field and click Add.

• Applications - In this method, IP packets can be filtered based on their specific purposes;

e.g. Telnet packets (TCP based) or TFTP (UDP based) can be filtered or forwarded. To add a

new filter, select the protocol from the Protocol drop down list, and select the application port

from the Port drop down list, and click Add.

Filters that have been configured for each type will be displayed in the Filters Configured (of

selected type) list, and can be deleted by selecting the filter entry and clicking Delete.

For a more detailed description of filtering, refer to the online Help provided with your Firewall

software.

When you have finished adding applications, click OK. You are returned to the Firewall Setup

menu. Click Download Setup to save the new configuration to the Firewall.

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Multitech PROXYSERVER MTPSR1-120 User's Guide Page 40