Dec 2024
One hallmark of the current digital age is sprawl. From system resources to personal documents, it is astonishing how quickly files accumulate on personal devices. A brand new Windows or Mac OS laptop will contain hundreds of thousands of files before you save one text document or receive a single email. Once you do start […]
Nov 2024
Most of the time people think of DNS as a way for internet users to find your website. However, it is also useful for your applications and services to find each other. Let’s say that within your system you have a separate server that provides an AI LLM service via an API. To invoke the […]
May 2023
I have been digging into how Kubernetes uses networking on Linux and came across Linux virtual server (LVS). LVS is a kernel-level feature that provides a virtual, network front end. The tool to manage LVS is ipvsadm. The tool is usually not available by default and must be installed. It is possible to use yum […]
Apr 2023
One benefit of public cloud infrastructure such as Amazon Web Services (AWS) is that it allows startups and established companies to quickly set up and start using resources. There are also a wide range of server types for many of those resources that require computing power, such as virtual servers, managed databases or caching. Some […]
Oct 2018
As a Mac user with concerns about privacy and data security, I have used a personal firewall on my laptop for many years. The specific one I use is Little Snitch. Normally I don’t name products but I like it so much that I have no problem making this exception. The way it works is […]
Sep 2018
We re-launched YouRTI.in and introduced the Telugu version on the 23rd of August 2018. It was an official announcement of the partnership with the Hyderabad-based NGO Yugantar. We had a member of the Central Information Commission present to “launch” the site and talk about the importance of the Right to Information [known in other countries […]
The immediate reaction of a lot of cyber-security professionals to the news that Microsoft Excel would support Javascript was, “What could go wrong.” The clear implication being that a lot could go wrong, that this is creating a lot of risk and that this was an unnecessary step. It is true, including Javascript support in […]
May 2018
The security dashboard of the world’s most popular sites, SecureTheWeb.info, uses data collected by a Python script that visits the sites. This Python script in turn relies on the underlying OpenSSL implementation on the computer where it is running. This is a limitation because the script cannot check for protocols that Python or OpenSSL don’t […]
Jan 2017
I’ve been collecting PayPal phishing emails for a while, here are some of them.
Ads on mobile news sites can be ugly and annoying. Just look at these examples. With iOS 9 and a recent enough iPhone you can install ad blockers. I expect that a similar solution is available for Android. I have no idea about Windows phone users. However, many sites now detect ad blockers and prevent […]