
EST9120/EST16120 User Guide
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DDNS NAME
The DDNS sever name is www.esthub.co.kr
Registration>>
Check the MAC address of DVR from SETUP-> SYSTEM->
DESCRIPTION.
Please contact a distributor or an installer to register your DVR on
DDNS Server. Register your own domain name on DDNS Server.
After your own domain name and MAC address of DVR are
registered on DDNS server, user can access to network with own
domain name.
3-7-1. Ports
When connecting 1 or more DVRs to a network through an IP sharing device, each device must
have a unique RTSP port number for access to each unit from outside the LAN. Also, the IP
sharing device must be configured for port forwarding, so that each port, when accessed on the
IP sharing device, will forward to the appropriate DVR. This port number is listed next to the Port
menu option in the NETWORK menu. If the user plans to only access the units from within the
same local area network, the RTSP port does not have to be changed.
Network access beyond Router
In order to access beyond Router (Firewall), user must open 3 TCP ports for Command level,
Live channels, and Storage channels. If these all ports are not open properly, user can not
access DVR beyond a router.
If DVR sets port number with 5445 as bellow, user has to open 3 TCP ports (5445, 5446, &
5447).
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