TP-Link TL-WA5110G User Guide - Page 49

The protocol used for Incoming Ports Range, TCP , UDP, or ALL all

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Figure 4-30 Port Triggering Once configured, 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. 2. The router records this connection, opens the incoming port or ports associated with this entry in the Port Triggering table, and associates them with the local host. 3. When necessary the external host will be able to connect to the local host using one of the ports defined in the Incoming Ports field. ¾ Trigger Port - The port for outgoing traffic. An outgoing connection using this port will "Trigger" this rule. ¾ Trigger Protocol - The protocol used for Trigger Ports, TCP, UDP, or All (all protocols supported by the router). ¾ Incoming Ports Range - 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 that triggered this rule. You can input at most 5 groups of ports (or port section). Every group of ports must be set apart with ",". For example, 2000-2038, 2050-2051, 2085, 3010-3030. ¾ Incoming Protocol - The protocol used for Incoming Ports Range, TCP , UDP, or ALL (all protocols supported by the router). ¾ Status - The status of this entry is either Enabled or Disabled. To add a new rule, please take the following steps: 1. Click the Add New... in Port Triggering page. (pop-up Figure 4-31) 2. Select a common application from the Common Applications drop-list then the port parameters will be automatically filled in the corresponding field. If the Common Applications list does not have the application you want, type the port parameters manually. 3. Select the protocol used for Trigger Port and Incoming Ports from the corresponding pull-down list. 4. Select the Enable option in the Status pull-down list.. 5. Click the Save button to save the new rule. 41

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41
Figure 4-30 Port Triggering
Once configured, 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.
2.
The router records this connection, opens the incoming port or ports associated with this
entry in the Port Triggering table, and associates them with the local host.
3.
When necessary the external host will be able to connect to the local host using one of the
ports defined in the
Incoming Ports
field.
¾
Trigger Port
- The port for outgoing traffic. An outgoing connection using this port will
"Trigger" this rule.
¾
Trigger Protocol -
The protocol used for Trigger Ports,
TCP
,
UDP
, or
All
(all protocols
supported by the router).
¾
Incoming Ports Range -
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 that
triggered this rule. You can input at most 5 groups of ports (or port section). Every group of
ports must be set apart with ",". For example, 2000-2038, 2050-2051, 2085, 3010-3030.
¾
Incoming Protocol -
The protocol used for Incoming Ports Range, TCP , UDP, or ALL (all
protocols supported by the router).
¾
Status -
The status of this entry is either
Enabled
or
Disabled
.
To add a new rule, please take the following steps:
1.
Click the
Add New…
in Port Triggering page. (pop-up Figure 4-31)
2.
Select a common application from the
Common Applications
drop-list then the port
parameters will be automatically filled in the corresponding field. If the
Common
Applications
list does not have the application you want, type the port parameters manually.
3.
Select the protocol used for
Trigger Port
and
Incoming Ports
from the corresponding
pull-down list.
4.
Select the
Enable
option in the
Status
pull-down list..
5.
Click the
Save
button to save the new rule.