68
In the second section, you are able to configure each entry by clicking on the number on the table. Then, a
configuration page as the following screen shot will be shown.
Six elements are included in this configuration page:
1. Mode: to enable or disable this policy entry.
2. Action: “Deny”, “Permit” or “Reject” the packets.
3. Protocol: It is the packet protocol type used by the application, select among from TCP or UDP or both of
TCP/UDP.
4. Source IP Address / Destination IP Address: This is the Address-Filter used to allow or block traffic to/from
particular IP address. Selecting the Subnet Mask of the IP address range you wish to allow/block the
traffic to or form; set IP address and Subnet Mask to 0.0.0.0 to inactive the Address-Filter rule.
5. Source Port: This Port or Port Ranges defines the port allowed to be used by the Remote/WAN to
connect to the application. Default is set from range 0 ~ 65535. It is recommended that this option be
configured by an advanced user.
6. Destination Port: This is the Port or Port Ranges that defines the application.
Application
Protocol
Port Number
Start
End
HTTP
TCP
80
80
DNS
UDP
53
53
DNS
TCP
53
53
FTP
TCP
21
21
Telnet
TCP
23
23
SMTP
TCP
25
25
POP3
TCP
110
110
NEWS(NNTP)
TCP
119
119
Real Audio/ Real Video
UDP
7070
7070
