Dahua NVR2104-I2, User Manual

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Parameter Description
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To avoid the conflict, when setting the external port, try to use the ports
from 1024 through 5000 and avoid popular ports from 1 through 255 and
system ports from 256 through 1023.
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When there are several devices on the LAN, properly arrange the ports
mapping relations to avoid mapping to the same external port.
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When establishing a mapping relationship, ensure the mapping ports are
not occupied or limited.
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The internal and external ports of TCP and UDP must be the same and
cannot be modified.
●
Click to modify the external port.
Step 3 Click Apply to complete the settings.
In the browser, enter http://WAN IP: External IP port. You can visit the Device on the LAN.
5.11.12 Email
Background Information
You can configure the email settings to enable the system to send the email as a notification when
an alarm event occurs.
Procedure
Step 1 Select Main Menu > NETWORK > Email.
Figure 5-214 Email
User's Manual
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