![]() ![]() This can be pretty inconvenient because it will render devices such as mobile phones and computers immobile. ![]() ![]() Without it, you’ll need to connect your device directly to the modem using an ethernet cable for internet access. But this feature is almost always available with these mentioned alternative firmwares only.Usually, a router is connected to the modem via an ethernet cable. No matter, he would land at OpenDNS all the way and may not even become aware of it - unless he hits a block page or such. If you are in the lucky situation of being able to generally redirect port 53 traffic to OpenDNS, the user could configure any DNS service. There would not be DNS at all which looks like no internet at all, because domain names cannot be resolved any longer. They regularly exist if you flash a router with one of those famous alternative firmwares of Tomato, OpenWRT, DD-WRT and the likes.Īnd yes, if you blocked port 53 traffic passthrough, the end devices would produce errors if someone configured it with an alternative DNS service, different from your router (as DNS server / forwarder). That said, you really have to test it out for your router if such options exist at all, and if they function as expected. Not so much intelligent routers block everything related to port 53 then, including DNS traffic they are to forward only, not to pass through. direct UDP and TCP traffic over port 53 from an end device to the outside world. More intelligent routers just block passthrough, i.e. If blocking this port helps depends on the router again. Port 53 is the standard port for DNS, yes. " Also, you wouldn't happen to know if Iphones normally have a fixed dns or not?"Īll devices I know are configured to obtain DNS server settings automatically from the DHCP server (which is normally your router), else the risks for not working would be too high. You gave your contol out of hands already. They have 8167 ways to circumvent anything, not only OpenDNS. If you can't control the devices in your network, and the users operating them are admins on their devices, you are pretty much out of any luck with controlling anything. The "user friendly" they are, the less options you have, especially not with ISP supplied devices.Īnd another word about "without accessing the devices". And there are routers which support neither of them. The first is supported by more routers, the latter is rather rarely found. You either block port 53 passthrough with an outbound firewall rule, or you configure traffic redirection for port 53 traffic to the OpenDNS resolver addresses. This depends on your router or merely the firmware it is flashed with. " Is there a way to force devices to use the openDNS servers? Without accessing the devices themself?" So, the question is rather irrelevant regarding this scenario. ![]() Mobile devices (like smartphones) may have their own mobile phone based internet connection, so may not use your router at all. Not sure why you limit your question to "mobile" devices, however. And with many routers you can block port 53 passthrough or redirect certain traffic to certain destinations. Only admin users can change network settings on computers. " Does the Router DNS overrule computer / mobile device DNS?"ĭNS settings of the end devices override DNS settings of the router if no further measures are taken to prevent end devices or end users to use their own DNS settings. And the router doesn't log traffic either in my case. And OpenDNS does not log DNS traffic which is not send to OpenDNS at all. I only know that OpenDNS logs the DNS traffic it sees from my network. " Does the router still log their activity when they use the network through that router?"ĭoes your router have logging capabilities? I can't know, I may not have this (unspecified) router. What do you mean by devices have their own DNS settings? Examples of the scenario? ![]()
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