tunsock BLOG

Securely Access a Private Web Server Using a Proxy Server + P2P Tunnel

You likely use a VPN or similar setup to access a private web server located either at your office or at home from an external PC. In particular, when accessing a private web server within a corporate environment, you have likely established a VPN setup using dedicated server hardware and software. However, a significant security challenge has emerged: standard VPN environments are susceptible to attacks that exploit their inherent vulnerabilities. To address this, I would like to propose an alternative approach for securely accessing a private web server from an external location: a setup that combines a proxy server with a P2P tunnel. Read more

Easily Create Dynamic Pet Images for Your Blog Content!

What do you do when you want to monitor your pet from outside at night? Expensive surveillance cameras can take infrared pictures at night, but if you don't have one, you have no choice but to leave the home's lights on. With the "SP Camera", you can easily solve this problem! Read more

How to Load Script/CSS Files from Static HTML with Dynamic URLs

When developing a web application, even if you update files by changing the content of externally called Script/CSS on static HTML, there may be cases where old Script/CSS files cached in the browser are used and the screen is not displayed properly. Therefore, we will introduce a method to prevent cache usage by loading Script/CSS with dynamic URLs, even if it is static HTML. Read more

How to Write a Modal "Spinning" Loader Display on the Web with CSS

When developing a web application, I want to display a loader that spins around on the screen while the server side processes it! I think you may think so. In some cases, this is supported by a web framework that includes a UI, but it may not be easy to install or it may be a hassle to prepare image data. Therefore, we will introduce an easy way to implement a modal loader using only CSS. Read more