Windows Server Guides

Configuring RRAS Packet Filters Ard

2. The IT Manager has asked you to implement an intranet Web server on a separate subnet from the client systems in your network. How will you implement a packet filter for the scenario shown in Figure 8.115?

Figure 8.115 Intranet Web Server Packet Filtering

Client Client

Filter inbound packets on Interface B with a source network of 192.168.1.0 and subnet mask of 255.255.255.0, a destination network of 10.0.0.0 and a destination subnet mask of 255.255.255.0, and destination TCP port 25. Select to drop all packets except those listed in your criteria.

Filter inbound packets on Interface B with a source network of 192.168.1.0 and subnet mask of 255.255.255.0, a destination network of 10.0.0.0 and a destination subnet mask of 255.255.255.0, and destination TCP port 25. Select to receive all packets except those listed in your criteria.

Filter inbound packets on Interface B with a source network of 192.168.1.0 and subnet mask of 255.255.255.0, a destination network of 10.0.0.0 and a destination subnet mask of 255.255.255.0, and destination TCP port 80. Select to drop all packets except those listed in your criteria.

Filter inbound packets on Interface B with a source network of 192.168.1.0 and subnet mask of 255.255.255.0, a destination network of 10.0.0.0 and a destination subnet mask of 255.255.255.0, and destination TCP port 80. Select to receive all packets except those listed in your criteria.

C. Answer C is correct, because Web services are hosted on TCP port 80 and in this scenario on the destination network 10.0.0.0.We want to drop all packets except those coming from source 192.168.1.0 and destined for 10.0.0.0.