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    All my Reolink Cameras keep trying to access Oracle Servers

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    • wisemanjaw
      user_846994761957606 last edited by wisemanjaw

      Over the past year of using my collection of 7 Reolink cameras in my home, every once in a while I have noticed that each of them is occasionally trying to access outside IP addresses which my AT&T security support has blocked, sending me notifications when it happens. This has happened from all of my POE cameras on multiple occasions. 

      Since I've tried to occasionally access my cameras from outside our home, I had assumed that it had something to do with how Reolink allows you to do this using UUIDs. I have also noted recently that it seems to happen when I attempt to view a camera remotely from outside my home.

      However, this had happened so many times I started recording the IPs that the cameras were attempting to access. The list was about 7 or 8 different IP addresses and some cameras were trying to access the same IPs. After accumulating this list, I sat down and started "whois"ing each of them, assuming that it was some equipment owned by Reolink for their cloud support.

      I was shocked to discover that ALL of them belonged to Oracle corporation! Furthermore, they were all associated with either Oracle in Phoenix Arizona or one other Corporate Oracle location (I think it was in New Jersey somewhere but I'd have to confirm that).

      Now I'm not real familiar with how all these things work, but it almost looks like these Reolink networking products made in China have been set up to perform Denial Of Service or some other type of attack on some of Oracle's servers. Has anyone got any better ideas of what would explain why my cameras will suddenly start trying to access servers belonging to Oracle?

      I've spent several hundreds of dollars purchasing all of this equipment and I am really disturbed that some third party may be using them for malicious purposes, all originating from my home network. I'm thinking now that I may need to return all of my Reolink hardware because this is just crazy!

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        • joseph_1979
          Joseph Global Moderator @user_846994761957606 last edited by

          @wisemanjaw You don't have to worry about. Just read my input at https://community.reolink.com/topic/87/how-does-the-reolink-uid-actually-work/2?post_id=22657&_=1749886728110

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          • wisemanjaw
            user_846994761957606 @Joseph last edited by wisemanjaw

            @joseph_1979
            Thank you Joseph. I found that I had already asked this question 2 months ago and you had already answered it then but I missed it. So I assume that AWS is Amazon Web Services and (at least part of them) are hosted on Oracle servers.

            Although I'm not very familiar with the P2P protocols and messages that are being used, it sounds as though the camera has to be registered with a client first, and then that client actually sets up things via the P2P servers using some kind of public key encryption techniques. Since only the client(s) that the camera is registered with can set this up, therein lies the access security. Does this sound correct?

            Also, My AT&T account keeps blocking attempts by the cameras to access those servers and yet when I try to access a camera from outside my home network, it still seems to work. If the cameras need access to those P2P servers to set up the connection, why is setting up connections from outside my home network still possible when access to those servers is blocked?

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            • Crimp On_62210811129
              Crimp On @user_846994761957606 last edited by

              @wisemanjaw What indicates that AT&T is blocking access to those Oracle servers? (error messages on the cameras or Reolink 'app'? Notices from AT&T? Entries in an AT&T log file?)

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              • wisemanjaw
                user_846994761957606 @Crimp On last edited by wisemanjaw

                @crimp-on_62210811129
                Hi there. I remember you asking this same question and after creating a response this silly forum blocked me from posting it (made me wait X amount of days and then other things came up here at home so I never finished it).

                My AT&T internet service provides me with an app for my phone called "Smart Home Manager" that does various things. E.g. I can walk around the house and it gives a continuous graphic showing the WiFi strength. It can help me to assign a clear channel for the WiFi router. It allows me to restart the WiFi on the router (or the entire router) they installed for my service.

                One of the things it does is monitor my local network and records to a log on the app on my phone different things such as:

                • Whenever a new device is added (e.g., a guest shows up with a cell phone, etc.)
                • Every once in a while it randomly checks on active devices in my network for any security issues
                • While browsing the internet, if you access a website that contains a link to a phishing website, it will block that access and log a message labeled "Unsecured website blocked" showing what device was protected and when it happened.
                • If anything on my network "attempted a connection to a suspicious, remote location" the "connection was blocked to prevent improper activity on (my) home network". This exact wording in the logged message includes the device (camera in this case), date and time of the event, and the Blocked IP (my most recent one was 144.24.21.151 - probably an Oracle server). The message is labeled as "Network Attack Blocked"


                Whenever a URL or IP address is blocked, the logged message has a button in it that permits you to allow access to that point (i.e., it overrides the block)

                I do not have to have this phone app running all the time so I assume that my account at AT&T continuously stores this logged information where the app can access it. I also do not know where the detection point is for these suspicious IP addresses and URLs. My guess is that they either have a special setup for my main router's firewall or they are catching them at the boundary to AT&T's servers, I'm not totally sure whether or not they are doing the filtering upstream of the router.

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