Open browser In the address bar, enter (depending on the firmware version) 192.168.1.1 or 192.168.0.1 (v3 version)

In the opened window, in the rows – “username” and “password”, write admin, then click “OK”

Open section - «NAT» Select menu - «Virtual Server» Click - Add

In the opened window fill the following rows: «Select a Service» - select the protocol «External Port Start» – write start port «External Port End» - write end port «Internal Port Start» - write start port «Internal Port End» - write start port «Private IP» - write local IP address, which DVR got After adding the configuration , click «Save/Apply»