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  1. alastairstevenson

    Hikvision NVR 256-CH No enough network bandwidth

    There are 4 ethernet interfaces. If you can trunk them all, this will give you the needed capacity, and spread the load.
  2. alastairstevenson

    Hikvision NVR 256-CH No enough network bandwidth

    How are the NVR ethernet interfaces connected to your LAN / what is the capability of the LAN interface? Are you trunking the NVR ethernet interfaces / how many are connected?
  3. alastairstevenson

    Hikvision camera admin password reset tool

    The backdoor vulnerability that allowed a configuration file to be extracted without authorisation was fixed in firmware 5.4.5 and later. It looks like you have missed this vulnerability too ...
  4. alastairstevenson

    Flat Ethernet cable

    Yes indeed!
  5. alastairstevenson

    Flat Ethernet cable

    You've just provided way more free advertising than the original short post with the link did.
  6. alastairstevenson

    Flat Ethernet cable

    And they were assessed as spam/advertising and removed.
  7. alastairstevenson

    Hikvision camera admin password reset tool

    That's new enough that the well-known vulnerabilities have been fixed, unfortunately.
  8. alastairstevenson

    Hikvision camera admin password reset tool

    It depends on what firmware vulnerabilities can be exploited. These do eventually get fixed. What firmware version does SADP show that the camera is using?
  9. alastairstevenson

    Time-lapse help?

    There are a variety of programs and apps that could do that, many of which are just plug&play. I've used ffmpeg under Linux (also available for Windows, but I don't know if there are differences) to create timelapse videos from stills. It's quite a complex package, but it does provide a...
  10. alastairstevenson

    Hikvision ds-7616nxi-i2/16p/s factory reset?

    At last, it got there, well done for persisting!
  11. alastairstevenson

    Hikvision ds-7616nxi-i2/16p/s factory reset?

    setenv ';update'
  12. alastairstevenson

    Hikvision NVR creates "ngtest" backdoor user on managed camera's

    It's normal with a new unused Hikvision camera, in 'inactive' mode, to be 'activated' when connecting to an NVR PoE port that's in plug&play mode to be activated by the password that's set for this purpose in the NVR configuration. But that's usually applied against the admin user. If you've...
  13. alastairstevenson

    Trouble Accessing Cams via Web Interface

    Unless the default gateway isn't correctly set.
  14. alastairstevenson

    Hikvision NVR creates "ngtest" backdoor user on managed camera's

    Unless it's totally changed in the new firmware, virtual host usually just provides a NATted access to the camera IP address without using any logon credentials. It's then up to the user to decide how to log in.
  15. alastairstevenson

    Hikvision NVR creates "ngtest" backdoor user on managed camera's

    Fascinating! It sounds like a programmer has carelessly left in some test code in the firmware. I can see some security researchers exploring this to see if it can be exploited.
  16. alastairstevenson

    Hikvision ds-7616nxi-i2/16p/s factory reset?

    I'm guessing you replaced the PSU. Loads available on Aliexpress - but quite pricey. They can actually be sourced at lower cost here in the UK ... https://hunterfield.co.uk/products/52v-power-supplies/
  17. alastairstevenson

    Hikvision ds-7616nxi-i2/16p/s factory reset?

    Often, but not always, a reset can be effected via the serial console. What's possible varies with the model, firmware, manufacture date etc. The Hikvision tftp updater can't be used because it has a filesize limit of 32MB. The Scott Lamb Python2 clone gets round this...
  18. alastairstevenson

    Bricked my NVR by updating from very old firmware straight to latest one.

    That looks perfect - well done! I generally use the web interface as the most common reason I have for reviewing playback is to see events on an NVR that is configured for event-only recording. I have 2 NVRs connected to the same cameras, the other one is configured for continuous recording...
  19. alastairstevenson

    Confession: Crossover Cable

    No big deal - TX-, TX+ That will not cause damage either.
  20. alastairstevenson

    DS-2CD2135 firmware upgrade

    Yes, I'd guess it has the 'Dieter & Fiona' hacked to English firmware that if upgraded would stop the device working.
  21. alastairstevenson

    Xmeye NVR DVR Board

    They sell loads of different models - without knowing which one, I doubt there is much help that can be offered to you. What details can you provide? Including the camera types and specs.
  22. alastairstevenson

    "Time out" Activation camera

    Yes, they are. Dumb question - but presumably all you attempted was to provide a strong password, applied in SADP?
  23. alastairstevenson

    Dahua CCTV system "failed to find host network"

    What do the Release Notes say is added or fixed?
  24. alastairstevenson

    Confession: Crossover Cable

    As @tigerwillow1 commented that should not cause damage. Yes, there must be more to it ...
  25. alastairstevenson

    Amcrest Smart Home (ASH), No http web user Interface, Boooo!

    Because they have designed it to be simply operated with their proprietary Android or IOS app. This is never done from scratch, lots of ready-made solutions that just need a little customisation to work for the specific device.
  26. alastairstevenson

    Bricked my NVR by updating from very old firmware straight to latest one.

    That's an interesting question. Looking at the Prolific specs, it doesn't mention the signal levels, looking around elsewhere suggests the TX is 3.3v which matches the NVR requirements. There is a 5v VCC available on the device, but that's not needed and should not be connected.
  27. alastairstevenson

    Bricked my NVR by updating from very old firmware straight to latest one.

    From what I recall (it's ages since I bought any of these) the TA version is required if the PC is running Windows 10. A driver issue. You'll notice that compatibility isn't mentioned on the non-TA version. Also - it's easy enough to insert the connector wires into the -TA version adaptor...
  28. alastairstevenson

    Bricked my NVR by updating from very old firmware straight to latest one.

    That's the NVR probe looking for 'Arecontvision' devices that it puts out on normal bootup. It uses a similar handshake to the Hikvision tftp updater - so the tftp updater comments on it. It's not an error, but it does indicate that the tftp updater handshake has not taken place and the NVR has...
  29. alastairstevenson

    Vanderbilt NVR without password.

    After you've dumped the existing flash contents as a backup just in case ...
  30. alastairstevenson

    Vanderbilt NVR without password.

    Wow! Well done, a great result. Thanks for sharing.
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