Port Scanner - Scan Network Ports - WhatIsMyIP.com®
Feb 20, 2018 Public DNS | Google Developers The Domain Name System (DNS) protocol is an important part of the web's infrastructure, serving as the Internet's phone book: every time you visit a website, your computer performs a DNS lookup. Complex pages often require multiple DNS lookups before they start loading, so your computer may be performing hundreds of lookups a day. Firewall Ports Required to Join AD Domain - AventisTech Mar 16, 2020
@stevemil, I suggest that you trigger the ports used by your Xbox 360 to avoid the DNS request conflict. Triggering the ports will allow your router to open the a host machine to dynamically and automatically forward a specific port back to the initiating host, while the outbound ports are in use.
Scan Network Ports. The port scanner tool will provide you with information regarding valid methods of connecting to a network. Scan your network for open ports and determine if those open ports need to be closed to provide more network security and less vulnerabilities. The basic firewall rule for allowing DNS queries is to permit inbound UDP and TCP traffic from port 53 to any port from the DNS IP addresses. While DNS server has traditionally worked only with UDP there are several recent additions like DNSSEC and SPF which might also require TCP connections to be allowed – otherwise, some of the queries Jul 13, 2020 · Authoritative answer – This is the answer that originates from the DNS Server which has the information about the zone file. Non-authoritative answer – When a nameserver is not in the list for the domain you did a lookup on. Different port – By default, the DNS servers use port 53. 30-day Free Trial for Premium Anycast DNS hosting
I've tried opening port 53(dns) 80(http) and 443(https); this is not enough, I am using iptables but I am not asking for how to configure this on iptables, I'm just asking which ports need to be open regardless of what port based firewall you may be using. dns firewall port-forwarding http ping.
Which ports should be open in firewall on a Plesk server Jul 14, 2020 The Protocols and Ports Used by Ring Devices – Ring Help