VMAX-680
[VG4] UPnP setting is enabled but cannot connect using external IP:webport
Description
Summary: When enabling UPnP in Network settings, my custom web ports are not opened and the NVRs are not accessible using the external_IP:Web_port
Could we investigate if this is an issue with my router or the recorders themselves?
External IP: 47.180.64.244
VMAX IPs 192.168.96.3:803 | 192.168.96.6:806
Attempts at rebooting NVRs proved unsuccessful.
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Created: 6 March 2026, 23:03
Updated:
13 March 2026, 21:11
@FOCUS_JH You were right about the ICMP echo request from WAN being turned off on the router’s Firewall settings, thank you for pointing this out.
I disabled UPnP service on the recorder and port forwarded the web port (803). Connection to the recorder using DDNS hostname and external IP where successful from within the network as well as external networks.
There is another router above our testing routers, but what port are you referring to? Before the latest 1.6.0.20 firmware upgrade, VG4’s UPnP settings would successfully open both WEB & TCP/IP ports in the same environment (
When I tested the same VG4 on another router, UPnP service was able to fully open the ports. The reason why web port was not being forwarded on the router was due to “803” and “806” falling under the reserved ports category (0-1023). After switching to “8006” on the VG4 on the other router, both ports successfully opened.
Resolving Jira ticket.
@Jose Galvez Local 에서 도메인 Ping Test 시 응답이 있고, External 에서 도메인 Ping Test 시 응답이 없다면 , 현재 192.168.96.X 라우터에서 외부 ICMP(Ping) 차단 으로 설정되어 그런거 같습니다.
(1) NVR에서 UPnP Off 하고, 수동 포트포워딩으로 설정시 정상 접속되는지 궁금합니다.
(2) 192.168.96.X 상단에 다른 라우터가 포트를 관리하고 있는 상황인지 궁금합니다.
(3) 해당 NVR 장비를 다른 공유기에 연결했을때는 어떤지 궁금합니다.
@FOCUS_JH I enabled UPnP and DDNS on VG49 (192.168.96.3)
It’s worth noting this is from a computer within the same 192.168.96.x network. Pinging the same domain name from an external network does not reply (did not port forward VG49’s ports after enabling DDNS)
혹시 2중 라우터 구성 환경이 아닌지요.
ex) ISP modem/router ( 192.168.x.x) > ASUS Router ( 192.168.96.x) > NVR LAN (192.168.96.6)
DDNS 등록후 도메인이름으로 Ping TEST 해보고, 47.180.64.244 IP 와 동일하게 나오는지 확인 바랍니다.
UPnP 동작은 정상적으로 작동되는 상태이기 때문에 네트워크 환경적인 원인으로 추정됩니다.
@FOCUS_JH After checking my router settings, I noticed I needed to enable UPnP settings on my router. However after doing so and enabling UPnP settings on VMAX G4 again, my router is only listing the recorder’s TCP/IP port in the Port Forwarding list:
Attempted to connect to the site via DW Mobile+ app using external IP 47.180.64.244 and port 9003 but the site was not found:
Ping.eu shows port 9003 is closed
Recorder’s web port remains closed and untouched by UPnP settings.
아래 첨부된 설정 페이지 이미지는 UPnP 설정 메뉴 가 아니고 수동 포트포워딩 설정 메뉴 입니다.
아래 첨부된 목록 페이지 또한 UPnP 포트 포워딩 메뉴가 아니고, 라우팅 테이블 목록 메뉴입니다.
제가 알기로는 아래와 같은 메뉴로 진입해야 합니다.(공유기가 없어 확인이 불가하지만 아마 맞을겁니다.)
(1) UPnP 설정 메뉴 확인 : Advanced Setting > WAN → UPnP
(2) UPnP 포트포워딩 목록 확인 : Advanced Setting > System Log → Port Forwarding
(1) , (2) 번 항목 재확인후 ….NVR 에서 UPnP 를 다시 Off 후 On 설정후 재확인 바랍니다.