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Recent content by ghc88

  • SNBForums Code of Conduct

    SNBForums is a community for everyone, no matter what their level of experience.

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    Release Asuswrt-Merlin 388.1 is now available for all supported Wifi 6 models

    I’ve been running 388.1 on my AX88U since it was released in early December and haven’t had any issues. I would notice any issues pretty quickly as both the wife and I work from home and I game most nights. I ran a couple of the alpha versions before that. I’ve never done a “clean” upgrade...
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    Tutorial How to monitor DNS traffic in real-time

    Good point about the VPN client. I used tcpdump on tun15 and can see that it is correctly using Nord's DNS servers, which is good as it's how I understood it to be configured. Sorry, I edited my previous post seconds before it notified me you had replied. I *think* everything is working as it...
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    Tutorial How to monitor DNS traffic in real-time

    I've taken your advice and added back in the Quad9 WAN DNS servers. I've installed tcpdump. What interface(s) should I be monitoring? If I run: tcpdump -i any port 53 [This shows a huge amount of traffic on various interfaces, mainly eth4, eth7 and br0. If I visited a website, I can see it...
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    Tutorial How to monitor DNS traffic in real-time

    Got it, thanks for your help. If I have any issues I'll put the WAN DNS servers back in and enable that setting and retest for DNS leaks. I was just reading another thread where merlin said leaving them blank may cause DoT to break as the router won't be able to set time via NTP. However, it...
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    Tutorial How to monitor DNS traffic in real-time

    Yes, it was the latter... I had them set to two different DNS servers (Quad9 and Cloudflare), and they both showed up. I don't seem to have an option to enable a local DNS service in my Tools or Network Tools settings. I am running a VPN server (Open VPN), I have IPv6 DNS set to my LAN IPv6...
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    Tutorial How to monitor DNS traffic in real-time

    Hmmm, that would make sense as I do have the trendmicro features turned on. However, there's a couple of things that I don't understand if that's the case. Firstly, online/web page based DNS leak testers were able to identify the WAN DNS servers - which makes me think the router is allowing...
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    Tutorial How to monitor DNS traffic in real-time

    Oh right, what are the noticeable effects to look out for? When I first changed the WAN DNS servers to blank the router had a melt down, however, following a reboot it was fine and has been for a few days. All of the approx 30 devices on my network are still connected and functioning ok for now...
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    Tutorial How to monitor DNS traffic in real-time

    My knowledge of DNS is pretty basic but your script really helped. I had followed Merlin's guide on setting up DoT on my AX88U, so I was surprised when the script showed UDP requests were not using DoT and were being transmitted in plaintext. It was exactly as you've said, it was using the DNS...
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