Manage Port Forwarding and Port Triggering
N600 and AC750 WiFi DSL Modem Routers
Disable Port Triggering
By default, port triggering is enabled. You can disable port triggering temporarily without
removing any port triggering rules.
To disable port triggering:
1. Launch an Internet browser from a computer or WiFi device that is connected to the
2. Type http://www.routerlogin.net.
A login screen displays.
3. Enter the user name and password for the modem router.
The user name is admin. The default password is password. The user name and
password are case-sensitive.
4. Click the OK button.
The BASIC Home screen displays.
5. Select ADVANCED > Advanced Setup > Port Forwarding / Port Triggering.
The Port Forwarding / Port Triggering screen displays.
6. Select the Port Triggering radio button.
The port triggering settings display.
7. Clear the Disable Port Triggering check box.
If this check box is selected, the modem router does not apply port triggering rules even if
you specified them.
8. Click the Apply button.
Your settings are saved.
Application Example: Port Triggering for Internet Relay Chat
Some application servers, such as FTP and IRC servers, send replies to multiple port
numbers. Using port triggering, you can tell the modem router to open more incoming ports
when a particular outgoing port starts a session.
An example is Internet Relay Chat (IRC). Your computer connects to an IRC server at
destination port 6667. The IRC server not only responds to your originating source port but
also sends an “identify” message to your computer on port 113. Using port triggering, you can
tell the modem router, “When you initiate a session with destination port 6667, you must also
allow incoming traffic on port 113 to reach the originating computer.”
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