configure or setup packet filtering for windows server 2003

Packet filtering can be used to control incoming and outgoing traffic through a router. By using packet filtering, you can avoid attacks on your internal network by blocking the protocol and ports that are vulnerable. You can set packet filters per interface on your network and configure them to drop all the connections except packets allowed.

Setup or Configure Packet Filtering for Inbound traffic
Inbound packet filtering will prevent or allow incoming connections through protocols such as TCP, UDP, or ICMP Protocols.

To Configure Inbound Packet Filtering, follow these steps;

1. Click Start -> Programs -> Administrative Tools, and then click Routing and Remote Access.

2. In the left pane of the Routing and Remote Access console, expand your server, and then expand IP Routing.

3. Click General, right-click the external interface, and then click Properties.

4. Click the General tab and then click Inbound Filters.

5. Click New

6. Click to select the Destination network check box, and type the IP address of the external interface and sub mask.

7. In the Protocol box, select a Protocol (TCP, UDP, ICMP) or select Any to drop all. Click Ok.

8. Click Receive all packets except those that meet the criteria below.

9. Click Ok.

Setup or Configure Packet Filtering for Outbound traffic
Outbound packet filtering will stop or allow outbound connections through protocols such as TCP, UDP, or ICMP Protocols.

To Configure Outbound Packet Filtering, follow these steps;

1. Click Start -> Programs -> Administrative Tools, and then click Routing and Remote Access.

2. In the left pane of the Routing and Remote Access console, expand your server, and then expand IP Routing.

3. Click General, right-click the external interface, and then click Properties.

4. Click the General tab and then click Outbound Filters.

5. Click New

6. Click to select the Destination network check box, and type the IP address of the external interface and sub mask.

7. In the Protocol box, select a Protocol (TCP, UDP, ICMP) or select Any to drop all. Click Ok.

8. Click Receive all packets except those that meet the criteria below.

9. Click Ok.

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