Huawei DR814Q - Manual (Page 64)

User Manual
Aolynk DR814Q ADSL2+ Broadband Router
5 Advanced Configuration
59
Example: If you want the internal users to access the external HTTP server (with the
port number 80), but do not want the external users to access the internal HTTP server,
you can perform the configuration as below.
Figure 5-20 Example of the port filtering configuration
To add a policy for a protocol, click Filter> in Figure 5-18 to enter the page
as below.
Figure 5-21 Filtering policy based on the protocol type
Table 5-5 Description on the items of the filtering policy
Item Description
IP
Address Type in the source IP address. The default address
0.0.0.0 indicates any node on the network.
Source
address
Mask
Type in the subnet mask of the source. The default mask
0.0.0.0 indicates any node on the network.
IP
Address
Type in the destination IP address. The default address
0.0.0.0 indicates any node on the network and is usually
reserved.
Destination
address
Mask
Type in the subnet mask of the destination. The default
mask 0.0.0.0 indicates any node on the network and is
usually reserved.