TP-Link TL-WR720N User Manual page 54

Trigger Port - The port for outgoing traffic. An outgoing connection using this port will trigger
this rule.
Trigger Protocol - The protocol used for Trigger Ports, either TCP, UDP, or All (all
protocols supported by the Router).
Incoming Ports - The port or port range used by the remote system when it responds to the
outgoing request. A response using one of these ports will be forwarded to the PC which
triggered this rule. You can input at most 5 groups of ports (or port sections). Every group of
ports must be separated with ",", for example, 2000-2038, 2046, 2050-2051, 2085,
3010-3030.
Incoming Protocol - The protocol used for Incoming Port, either TCP, UDP, or ALL (all
protocols supported by the Router).
Status - The status of this entry, Enabled means the Port Triggering entry is enabled.
Modify - To modify or delete an existing entry.
Common Applications - Some popular applications already listed in the drop-down list of
Incoming Protocol.
To modify or delete an existing entry:
1. Find the desired entry in the table.
2. Click Modify or Delete as desired on the Modify column.
Click the Enable All button to make all entries enabled.
Click the Disable All button to make all entries disabled.
Click the Delete All button to delete all entries
Once the Router is configured, the operation is as follows:
1. A local host makes an outgoing connection to an external host using a destination port
number defined in the Trigger Port field.
Figure 4-34 Add or Modify a Triggering Entry
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TL-WR720N 150Mbps Wireless N Router