Huawei DR814Q - Manual (Page 63)

User Manual
Aolynk DR814Q ADSL2+ Broadband Router
5 Advanced Configuration
58
Figure 5-19 TCP/UDP port filtering policy
Table 5-4 Description on the items of TCP/UDP port filter
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.
Protocol
Select a protocol type (TCP or UDP) from the drop-down
list and apply the filtering policy to the packets of this
type.
Source
port Range
Start-End
Type in the port range of the source. The default range
from 0 to 65535 indicates any node and is usually
reserved.
Destination
port Range
Start-End
Type in the port range of the destination. Generally, this
parameter needs to be set. For example, to control Web
services, type in the corresponding port number 80. To
control FTP services, type in the port number 21.
Inbound
The direction of inbound data. Select Allow to permit
external hosts to access internal hosts. Select Block to
forbid external hosts to access internal hosts.
Direction
Outbound
The direction of outbound data. Select Allow to permit
internal hosts to access external hosts. Select Block to
forbid internal hosts to access external hosts.
Click after the configuration is complete. This policy will be added to the list of
port filtering policies.