An industry group of the world's biggest DNS service providers has agreed on a plan to improve the state of the DNS ecosystem by forcing certain configuration changes upon the smaller server operators ...

Not sure whether this belongs here or LKF, but.. I've been running home Linux servers on static IPs, hosting my own email, web, DNS, etc., for a good many years. For the last five, it's been on ...

Anyone know why a seemingly-normal Win2000 machine would oftentimes try to do TCP DNS lookups as opposed to the normal method of UDP? Our firewall doesn't allow TCP DNS and I keep seeing blocks in the ...

In this tutorial we will discuss the concept of Ports and how they work with IP addresses. If you have not read our article on IP addresses and need a brush up, you can find the article here. If you ...

PortExpert is a free application that can give very useful information about all TCP, UDP communications connected to the system and is hence useful to identify potential threats. These days we are ...

Earlier this year, the first DNS Flag Day was held as a coordinated effort by a group of developers of domain name system (DNS) server software and operators of DNS servers. It was aimed at making the ...

Google finalizes its DNS-over-HTTPS service. Google announced general availability of its Public DNS-over-HTTPS service Wednesday, based on the Internet Engineering Task Force’s RFC 8484 standard. The ...

You've installed a VPN. It's not quite as fast as you'd like. You could switch to another service, but maybe there's a simple speedup trick you can try first. Open ...