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    EmpireTech latest New firmware, Device Guide video, Manual WEB5.0

    I installed updated firmware on my NVR5208-8P-4KS2 to V4.002.0000000.7.R, Build Date: 2024-07-17 without any problems. This newer firmware only allows full zoom in or zoom out on IPC-HDW22IR-ZS cameras. Previous firmware allowed partial zoom in and out.
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    My Dahua NVR5432 was hacked last week!

    Your first line of defense is to run any of the good antivirus software which will detect and eliminate any key loggers, Trojans, and viruses.
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    NVR continually contacts many Dahua Websites

    Still, Dahua should disclose this in their documentation and state the purpose, and what data is being sent back and forth. P2P is off, and all ports are closed. Firewalla set to block all outgoing and incoming connections except for mine. I remember setting up a honeypott years ago that was...
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    My Dahua NVR5432 was hacked last week!

    I was going to purchase a N100 mini computer and install OPSense (Linux install), but instead I purchase the little Firewalla Purple SE (I don't need wifi) but does have BlueTooth. I really like the Firewalla Purple SE, it is easy to configure and I love being able to access it from my...
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    NVR continually contacts many Dahua Websites

    WTH! I installed a firewall in front of my NVR5208-8P-4KS2E, (firmware V4.002.0000000.7.R.240717) and noticed it continually tries to contact many Dahua servers, including their international servers in China and Europe. Nowhere do I find any information, documents or warning that the NVR will...
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    My Dahua NVR5432 was hacked last week!

    I had the exact problems several weeks ago. I ended up installing a Firewalla Purple firewall. I thought about purchasing a firewall appliance and install OPNsense which has a learning curve for proper setup. So instead bought the Firewall, It stopped the penetration into my NVR. I did have...
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    Multiple Dahua locations trying to gain access to NVR

    Great explanation! Thank you.
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    Multiple Dahua locations trying to gain access to NVR

    Okay, thanks for the explanation.
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    Multiple Dahua locations trying to gain access to NVR

    If this doesn't prevent accessing, I guess I will have to setup Wireguard VPN on everything.
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    Multiple Dahua locations trying to gain access to NVR

    Thank you for the explanation. I disabled all port forwarding on my main ISP router. I did a open port scan from my public IP address side and everything looks closed now. I still like to know why Dahua from multiple locations are accessing the NVR.
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    Multiple Dahua locations trying to gain access to NVR

    I thought P2P still required an open port? If not how does it penetrate the router/firewall?
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    Multiple Dahua locations trying to gain access to NVR

    Which port needs to open for P2P?
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    Multiple Dahua locations trying to gain access to NVR

    Can You tell from firewall logs on which port numbers (source & destination) and which protocol (tcp, udp) those transmissions were done? this will allow to specify method used to those attacks.. Yes, I have the standard 37777 port open for remote viewing and of course port 80 for webviewer. No...
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    Multiple Dahua locations trying to gain access to NVR

    There is the standard P2P enabled for remote viewing, with a very strong password.
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    Multiple Dahua locations trying to gain access to NVR

    I installed a new network security appliance (Firewalla) and in a short time I noticed multiple Dahua locations from America, Germany, Japan, Russia( malicous site) and Singapore trying to gain access to the NVR. And of course there were numerous Is there any reason Dahua is access the NVR...
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    Dahua V4.002.0000000.7.R, Build Date: 2024-07-17 firmware

    Very true! That was why I was very hesitant to upgrade from V3.216.0000002.0.R.20181106 to most recent version. The only reason was for security updates. I did send an email to Dahua support notifying them of the issue (which probably will fall on deaf ears and not be dealt with).
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    Dahua V4.002.0000000.7.R, Build Date: 2024-07-17 firmware

    I think you nailed on the head.
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    Dahua V4.002.0000000.7.R, Build Date: 2024-07-17 firmware

    It must be the firmware upgrade. Cameras zoomed great with the older firmware, and they zoom great when I directly access them with IE.
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    Dahua V4.002.0000000.7.R, Build Date: 2024-07-17 firmware

    What cameras do you have?
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    Dahua V4.002.0000000.7.R, Build Date: 2024-07-17 firmware

    Same thing happens in Edge IE mode. Interesting. In Palemoon a box pops up when I try to zoom stating "Need to control PTZ in the realtime monitoring status. " . Not sure why this is happening, I am in "Live mode when trying to zoom.
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    Dahua V4.002.0000000.7.R, Build Date: 2024-07-17 firmware

    Same issue with IE, Seamonkey and Edge browser.
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    Dahua V4.002.0000000.7.R, Build Date: 2024-07-17 firmware

    FWI: I recently installed V4.002.0000000.7.R, Build Date: 2024-07-17 firmware on my NVR 5208-8p-4KSE2 (cameras are IPC-HDW223`E-2S) and noticed that the zoom feature only allows zooming fully out or fully in. Previous versions of firmware allowed partial zooms in and out.
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    Dahua V4.002.0000000.7.R, Build Date: 2024-07-17 firmware

    FWI: I recently installed V4.002.0000000.7.R, Build Date: 2024-07-17 firmware on my NVR 5208-8p-4KSE2 (cameras are IPC-HDW223`E-2S) and noticed that the zoom feature only zooms fully out or fully in. Previous firmware allowed partial zooms in and out.
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    P2P Safety & Secure?

    I always access the NVR either at the NVR or through web browser on my private network. I seldom use P2P, but that port was open. They were able to log into the admin account. QR code, serial number or password has never been put on the web or made public. I knew Dahua did have a backdoor...
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    P2P Safety & Secure?

    Just last week I saw my NVR (Dahua 5208-8p-4KS2E) had rebooted around midnight. I checked the logs and saw a couple of different IP addresses (European IP address) had gain access to the NVR. Luckily, nothing malicious was done, just viewing cameras. I have very strong password for the log in...
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    Dahua NVR5208-8P-4KS2E playback buffers whenever it gets to a motion detected section of the video

    Okay, I fired up IE and it does seem to work far better! Thank y'all
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    Anybody installed 4.002.0000007.r, Build date 2024-07-17 firmware

    Anybody has problems with playback buffering at sections with was triggered with IVS or movement?
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    Dahua NVR5208-8P-4KS2E playback buffers whenever it gets to a motion detected section of the video

    Which plugin is this? I hope this isn't the IE plugin from years ago.
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    Dahua NVR5208-8P-4KS2E playback buffers whenever it gets to a motion detected section of the video

    I Updated firmware to 4.002.0000007.r, Build date 2024-07-17. Everything seem functional, but whenever I do a playback on a section of video and when it comes to the point when motion was detected, the video the video window goes black and seems to buffer for about 2 seconds before the video...
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    Firmware update for NVR 5208-8P-4KS2E?

    Never mind. Updated without any problems.
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