You have to enable additional content filtering under your OpenDNS account if you want a more strict web content filtering policy. By default, OpenDNS will only filter out the really bad stuff such as known malware sites. You will also be performing DNS lookups using OpenDNS, so you can setup an OpenDNS account and provide additional web content filtering using OpenDNS. Hooray! Now all of your network clients should be forced to use your Mikrotik’s DNS server which will use static entries for the known advertising/malware domains. Make sure that our Mikrotik is using OpenDNS for DNS lookups: WinBox > IP > DNSįorce all of our clients on the network to use our DNS, even if they try to use their own DNS servers: WinBox > IP > Firewall > NAT > Add Ĭomment: DNS Redirect (TCP) WinBox > IP > Firewall > NAT > Add Make sure that our DHCP clients are using our Mikrotik as a DNS server: WinBox > IP > DHCP Server > Networks > Edit Primary Network Rejecting all other attempts: WinBox > IP > Firewall > Filter Rules > Add Rejecting UDP attempts: WinBox > IP > Firewall > Filter Rules > Add Rejecting TCP attempts: WinBox > IP > Firewall > Filter Rules > Add Instead, we will give immediate feedback that the request is denied so our web browsers don’t hang up trying to load a page element. When it comes to blocking via firewall rules, I prefer to use not use “drop” because this results in the requesting agent trying over and over until it times out. Now we need to setup a firewall rule to block the special IP address 240.0.0.1. You can confirm the import by checking the DNS static records: WinBox > IP > DNS > Static This configuration will load a list of domains into the DNS static entries with an IP address of 240.0.0.1. WinBox > Terminal > /import mikrotik_adblock.rsc
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rsc into Mikrotik:ĭownload Mikrotik Adblock DNS Config WinBox > Files > Upload. Extract the DNS config file below and upload the. The following config file contains a list of known advertising domains from and pre-converted into Mikrotik’s config format.
#USB REDIRECTOR NOT WORKING WITH MICROTIK ROUTER PC#
You will no longer be able to see what each device on your network (phone, laptop, pc etc.) ask for.A few years back, I wrote a guide about using DNS based adblock with OpenWRT. But this has the disadvantage that ALL queries in the Pi-Hole logs will be showing up as coming from the RouterBoard itself. Like this: (assuming your RouterBoard's LAN IP Address is set to 192.0.2.1). In order for your Devices to pick up the change, they need to receive your RouterOS's IP address as the Nameserver via DHCP. Keep in mind that this will ONLY change the DNS Servers for the RouterOS itself. If Pi-Hole is up, then sets it back to Pi-Hole's IP addres.If there's a timeout (a reply takes longer than 50ms), then it will set the DNS Servers under RouterOS to 1.1.1.1 and 8.8.8.8 (that's CloudFlare's and Google's DNS Servers, replace with whatever you want).This will attempt to ping it every 15 seconds.
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Replace 192.0.2.2 with your Pi-Hole's IP address. I'd rather retain SOME control of my DNS queries.Īnyway, if you want to go the "script" way, you should actually use the Netwatch tool, like this: /tool netwatchĪdd up-script="/ip dns set servers=192.0.2.2" host=192.0.2.2 interval=15s timeout=50ms down-script="/ip dns set servers=1.1.1.1,8.8.8.8" I personally wouldn't use the ISP DNS Servers, ever.