The next version of the Hypertext Transfer Protocol (HTTP)—the network protocol that defines how browsers talk to Web servers—is going to make a major break from the versions in use today. Today’s ...

TCP/IP. HTTP. FTP. PPP. etc-P. etc-P. If protocols are your thing, you might enjoy stopping by this great Wikipedia article, which discusses the TCP/IP protocol in great detail. It's a terrific ...

The Internet can be a dangerous place, wrought with fraud and data theft. To help protect your small business data it's a good idea to have a basic understanding of secure Internet protocols. These ...

Open Internet standards are the cornerstone of the Internet’s success, and the processes for creating them must remain open ...

Researchers have demonstrated that the Internet protocol 'IPsec' is vulnerable to attacks. The Internet Key Exchange protocol 'IKEv1', which is part of the protocol family, has vulnerabilities that ...

Global Initiative Highlights the Internet as Humanity’s Architecture of Peace Internet Pioneers for Peace, an international coalition dedicated to recognizing the Internet’s role in promoting global ...

What is HTTP 402, and why does it matter? The web was not really built with payments in mind, especially not for autonomous agents or machines. But with the rise of AI and decentralized finance (DeFi) ...

Update: We're in the last throes of winter break 2019, which means most Ars' home office phones can stay dormant for a few more days. As such, we've been resurfacing a few classics from the ...