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  1. T

    Block All DNS Except

    Is there a way to block all DNS on port 53 except for a specified device? I looked at SkyNET and the Asus WebUI and didn't see anything that really fit the bill. I could really just block 53 across the entire LAN since my DNS server uses 443 for DNS requests. Thanks,
  2. ADFHogan

    Can the DNS in router be instructed to forward specific domain to another server?

    I was wondering, is it possible to instruct the DNS server in the router to forward a specific domain's queries to a specific server? I have one of the routers I look after (an RT-AC5300) set up to use OpenDNS as its upstream, with AiProtect enabled also. Today, after quite some time (more...
  3. macster2075

    dns Port 53

    Is the best way to force users to use the dns server I have set (OpenDns) is by adding this via ssh iptables -t nat -A PREROUTING -i br0 -p udp --dport 53 -j DNAT --to $(nvram get lan_ipaddr) iptables -t nat -A PREROUTING -i br0 -p tcp --dport 53 -j DNAT --to $(nvram get lan_ipaddr) (is that...
  4. R

    DNS servers

    Is there any advantages or disadvantages to using a public DNS server such as OpenDNS, Cloudfare or Google compared to using the ISP's DNS server? So far I've learned that it could speed up web pages from loading. Will it also load up video streaming services such as YouTube and Netflix...
  5. P

    DNS over TLS (DoT) not available on RT-AC68U?

    I am using asuswrt-merlin for a while now and after reading e.g. here https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Clients?utm_referrer=https://censorship.repair/page4.html#DNSPrivacyClients-Routers about DoT I decided to enable it on my device but I was surprised to see that it's not...
  6. Skeptical.me

    RT-AC86U ExpressVPN Problems

    Hi, In the past I've been using the solution found in this post https://www.snbforums.com/threads/cant-get-openvpn-using-expressvpn-to-run-on-rt-ac86u.48599/ in order to get ExpressVPN working in an OpenVPN Client on my RT-AC86U Merlin (Currently 384.8_2). However, recently every time I use...
  7. S

    Trying to understand while connected trough a VPN client.

    Trying to understand while connected trough a VPN client in Server Address and Port. When Server Address is 84.xx.xxx.xxx and set Port manually to port 443, my log shows: dnsmasq[5041]: using nameserver 10.xx.xxx.x#53 dnsmasq[5041]: using nameserver 10.xx.xxx.x#53 Question: why is the...
  8. L

    Can't find Amazon!?

    I have an ASUS RT-AC68U running the most recent version of rMerlin firmware (384.7_2), on Comcast cable. Last week for half a day I couldn't access Amazon. I tried different browsers, different computers, rebooting the router and cable modem. I could access Amazon fine on my phone over the...
  9. C

    What is the best way to configure DNS?

    So I plan to use Cloudflare DNS : 1.1.1.1 as the DNS for my router in router mode. However I can see 3 places I can do that. I use PPPoE and there is a way to set DNS in the WAN section by selecting 'no' in automatically getting DNS. The other option is in the DHCP server section under Lan. And...
    • CoreAI
    • Thread
    • cloudflare dns dns dnsmasq asus router
    • Replies: 8
    • Forum: Asuswrt-Merlin
  10. TanyaC

    DNS configurations

    I may have asked this question a couple of years ago, but I'm getting old and perhaps my memory is failing me. I have an ASUS RT-AC88u. I have configured it in two places to use the OpenDNS servers. I use a VPN for almost everything online, but not everyone here uses the VPN, particularly for...
  11. K

    DNSFilter bypassed with Android (Pie) 9's Private DNS

    Under Android 9, using the 'Private DNS provider hostname' option*, under Private DNS, allows the bypassing of the Asuswrt-Merlin DNSFilter (/DNSFilter.asp). *:under Android 9: Settings > Network & internet > Advanced > Private DNS > Private DNS provider hostname.
  12. cdysthe

    Slow IPv6 DNS lookups on a R7800 when IPv6 DNS servers are set manually

    Hi, I am not sure whether this post belongs in a Voxel firmware thread or here as a general R7800 question since I use Voxel firmware on my R7800. Anyway If I use manual set ipV6 DNS servers like Cloudflare after a while it takes up to 30 seconds to resolve and get to any web site or service...
  13. O

    DNSSEC suddenly stopped working on Asus RT-AC66U (running on Merlin v380.70)

    Hi, I have my Asus RT-AC66U running Merlin v380.70. The DNSSEC option (under LAN > DHCP) has been enabled for as long as I can remember but yesterday it suddenly started acting up. I could no longer resolve any DNS host names which were enabled for DNSSEC. Same results on all my DHCP clients...
  14. R

    Router DNS

    I have looked under a number of search terms but haven't seen an answer though it seems an obvious question so perhaps I am missing something. When DHCP issues a reserved IP address to a device it says in the help on the page that the name is pushed to the device if it is legal, i.e. doesn't...
  15. Skeptical.me

    OpenVPN DNS issue

    After rebooting my router, and without changing any settings, all the routed Devices going through the VPN keep showing the DNS that is in the LAN>DHCP SERVER>DNS SERVER 1 and not the VPN's DNS, that is even though I've set "Accept DNS Configuration" to "Exclusive". Has anyone else experienced...
  16. S

    Policy-based routing for VPN - how to handle DNS?

    I'm using an RT-AC86U with Asuswrt-Merlin version 384.6; I'm experimenting with routing a specific device through the router's VPN connection while all others go to the WAN. Initially I added a rule for the device's IP address, destination address 0.0.0.0, with iFace set to VPN. With the VPN...
  17. Zonkd

    Share possible DNS-Rebind logs

    System logs reveal possible DNS Rebind attacks so I share them here.. This is the first I've seen since upgrading to the latest Merlin Firmware, any thoughts?: dnsmasq[741]: possible DNS-rebind attack detected: localhost.megasyncloopback.mega.nz Please share your own! Info: Wikipedia says...
  18. HuskyHerder

    RP-68U (AP mode) - edited title

    I was hoping someone here maybe able to help me with an issue between the RT-AC5300 and my RP-AC68u. What is happening is I am using 2 - 68U as extenders (wired backhaul) and when I reboot the 5300. The 68U always starts handing out its address as a dns to my clients. The 5300 is using...
  19. W

    Where to Set DNS Servers?

    Looking for some help for a networking novice - TIA! In the firmware, there are two places to set custom DNS servers. One is the WAN page, the other is the LAN page, under the DHCP server tab, which has the DNSSEC options. Can someone explain the difference in effect between the two pages? Or...
  20. M

    Dedicated SSID for VPN

    Hello I am new to networking and I apologize in advance if this has been asked and I was too naive to know what to search for. I live in Japan and I have an Asus RT-AC3200 router. I have a VPN provider that I pay for, NordVPN. I would like to setup multiple SSIDs on my router - for local...
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