H3C Technologies H3C SecBlade FW Cards User Manual

Page 23

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16

As illustrated in

Figure 14

, a company provides two Web servers and one FTP server for external users

to access. The internal network address is 10.110.0.0/16. The internal address for the FTP server is
10.110.10.3/16, for the Web server 1 is 10.110.10.1/16, and for the Web server 2 is 10.110.10.2/16. The

company has three public IP addresses from 202.38.1.1/24 through 202.38.1.3/24. Specifically, the

company has the following requirements:

External hosts can access internal servers using public address 202.38.1.1/24.

Port 8080 is used for Web server 2.

Figure 14 Internal server network diagram

2.

Configuration procedure

# Configure the FTP server.

Select Firewall > NAT Policy > Internal Server from the navigation tree, and then click Add in the
Internal Server field.

Select GigabitEthernet0/2 for Interface.

Select 6(TCP) for Protocol Type.

Click the radio button next to Assign IP Address, and then type 202.38.1.1 in Global IP.

Select the upper radio button next to Global Port and type 21.

Type 10.110.10.3 in Internal IP.

Type 21 in Internal Port.

Click Apply.

# Configure the Web server 1.

Click Add in the Internal Server field.

Select GigabitEthernet0/2 for Interface.

Select 6(TCP) for Protocol Type.

Click the radio button next to Assign IP Address, and then type 202.38.1.1 for Global IP.

Select the upper radio button next to Global Port and type 80.

Type 10.110.10.1 in Internal IP.

Type 80 in Internal Port.

Click Apply.

# Configure Web server 2.

Click Add in the Internal Server field.

Select GigabitEthernet0/2 for Interface.

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