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I recently installed a SharkTap to manage another security issue and found that the Annke DVR not only forcibly creates ports in my firewall to stand up services to allow you to watch cameras and manage the system remotely - even when those features are DISABLED in the DVR’s UI - but it also creates and maintains external connections to at least 2 hosts in China (for updates?, for...?). The connections to China are not authorized by me and have no related settings I can find in the DVR to stop them. I’ve disconnected the DVR from my network but still getting request packets from Chinese servers looking for the IP where it was previously installed. If you buy this product NEVER connect it to your network and NEVER install the mobile device apps from Annke (“Annke Vision”). I’m maybe being overly cautious here but I prefer my safety and security a priority. Annke says they do the same - I don’t believe it.