Blocking port 53 incoming only.
Blocking port 53 incoming only.
I want to close port 53 to incoming requests after being advised by my ISP that I have a potential Open DNS Resolver. Obviously, I need clients on my network to make DNS queries, but I have no use for devices outside my network querying device(s) on my network for DNS entries. So I want to block the port from accepting any incoming traffic. How is this done?
"We're writing to let you know that a device connected to your home network has been identified as having a potential Open DNS Resolver (ODNSR) vulnerability.
An open DNS resolver lets any computer system on the internet use it, not just the intended local or authorised users on networks that you control and/or trust.
It is therefore important that you follow the advice in this letter.
What has happened?
We suspect the device may have been misconfigured by you, someone in your household or without your knowledge. If the settings are left unchanged they can be exploited to unwittingly participate in malicious activities, for example a Distributed Denial of Service (DDoS) attack."
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tp-link don't give a...just couldn't care less. I'm just disappointed I cannot get a refund on Amazon to fund the purchase of a proper router. I hope my 1 Star Review hit them in their profits.
WARNING to tp-link router owners, your device is leaky do not trust the software firewall, buy a hardware firewall to protect yourself online.
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