// Topic collection
109 entries in this category
// Fast route
If you are exploring materials on this topic, the next step can be the topics catalog, the homepage with work areas, or the service pages directly.
2026-10-07
ECH (Encrypted Client Hello) — a TLS 1.3 extension that encrypts the first handshake message, ClientHello. The main thing it hides is the site name in the SNI field. Without ECH any node between you and the server can …
Read more2026-10-05
Under the phrase “TLS type” people usually mean different things: protocol version (1.2 or 1.3), cipher suite, certificate type (DV, OV, EV) or a scheme where the client also presents a certificate (mTLS). In this part — …
Read more2026-10-02
HTTPS — this is HTTP transmitted inside a TLS (Transport Layer Security) connection. TLS solves three problems: it encrypts data so they cannot be read in transit; it verifies integrity so they cannot be altered; and it …
Read more2026-09-30
HTTP has three versions in active use: HTTP/1.1, HTTP/2, and HTTP/3. Methods, headers, and status codes are the same across them, so an application usually doesn’t care which version a request arrived with. The …
Read more2026-09-28
Headers are the metadata of an HTTP message: lines like Name: value between the start-line and the body. From them the server understands which site is requested, in what format and language to return the response, who …
Read more2026-09-25
HTTP (HyperText Transfer Protocol) — an application-layer protocol by which a browser, mobile app, or script requests a resource from a server and receives a response. A resource can be an HTML page, an image, JSON from …
Read more2026-09-22
Bitwarden CLI — the official command-line utility bw for working with a Bitwarden vault: find a password in the terminal, get a secret in a script, pass it to a CI/CD pipeline. The code is open-source, the utility is …
Read more2026-09-22
Standard tools like proxychains often fail when it comes to multithreaded applications, Go/Rust binaries, Electron apps and system services. Enter tun2socks — a tool that creates a virtual TUN network interface, …
Read more2026-09-22
How deployment and admin panels are organized: phpMyAdmin and RabbitMQ behind nginx The choice between phpMyAdmin and Adminer for managing the database via browser is discussed in the article “phpMyAdmin, Adminer or …
Read more2026-09-22
If you’re still running next build directly on the production server — your server is really suffering. CPU pegged, OOM-kill, 502 errors and long downtime — that’s a classic that needs to end. In 2026 the …
Read more