I am running Routerboard 750UP router at my office and I received an email from my ISP about a DDOS attack and that I may be an open resolver. I have some novice Mikrotik experience but this one is messing with me. Mostly this is occurring on port 53. Now I have done some research and "THINK&qu...
probably it is not working because UDP can use both TCP and UDP. You can redirect all DNS requests to your router which is better solution /ip firewall nat add action=redirect chain=dstnat comment=dns dst-port=53 protocol=tcp to-ports=53 add action=redirect chain=dstnat dst-port=53 protocol=udp to-...