D-Link DSL-2877AL Modem Router User Manual
Port Trigger
To access the Port Trigger page, click on the Advanced menu link at the top, and then click on the Port Trigger menu link on the left.
Port Trigger let the device to open TCP or UDP port to access the connection from
remote host when the specified port has been opened by lanside connection
according to the rule. Usually the port which has been opened is different from the
port which will be opened by the device.
Click Add button.
Enter Service Name, choose Rule status, set the range of your trigger port and trigger
Protocol, set the range of your Open Port and Open Protocol.
Click Apply to save the settings.
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