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Terms

PHP2Shell

October 25, 2026October 25, 2026 AL2Meta

PHP2Shell is the name given to two critical vulnerabilities in the PHP programming language, disclosed on October 21, 2026. They can allow an unauthenticated attacker to execute commands

Terms

XSS2Shell is a critical vulnerability chain in WordPress Core (tracked as CVE-2026-64638) that escalates a pre-authentication reflected Cross-Site Scripting (XSS) bug into full Remote Code Execution (RCE). Discovered

Notes

Altometatron Art Gallery Media List

August 13, 2026August 15, 2026 AL2Meta

Altometatron’s website has a gateway called “Art Gallery”, which can be opened by using the query string “gate_open” with a value of “art_gallery”. The string looks like this

Terms

NJS

August 12, 2026August 12, 2026 AL2Meta

NJS stands for NGINX JavaScript, a dynamic module for NGINX that extends server functionality through JavaScript scripting. It allows administrators to write custom request handlers, implement complex access

Terms

wp2shell

August 3, 2026 AL2Meta

wp2shell is a critical unauthenticated remote code execution (RCE) vulnerability chain in WordPress Core that allows anonymous attackers to take full control of a server without requiring plugins,

Terms

SegWit

May 9, 2026May 9, 2026 AL2Meta

SegWit (Segregated Witness) is a major protocol upgrade to the Bitcoin network that separates digital transaction signatures (the “witness” data) from standard transaction data. This effectively increases the network’s

Terms

BIND

March 21, 2026March 21, 2026 AL2Meta

BIND (Berkeley Internet Name Domain) is one of the most widely used DNS server software packages. It’s what you install on a Linux server when you want that

Terms

DNS

March 21, 2026March 21, 2026 AL2Meta

DNS (Domain Name System) is the system that translates human-friendly website names into IP addresses that computers use to communicate. Think of it like the internet’s phonebook: How

Notes Server Configuration

How to create a DNS record in Linux (Debian/Ubuntu)

March 21, 2026March 21, 2026 AL2Meta

Creating a DNS record on Linux usually means configuring a DNS server (most commonly BIND) rather than just running a single command. Here’s a clear, practical way to

Terms

DeFi

March 21, 2026March 21, 2026 AL2Meta

DeFi stands for decentralized finance, an umbrella term for financial services built on blockchain technology that operate without traditional intermediaries like banks or brokers. It enables peer-to-peer transactions—such

Terms

YAML

February 18, 2026February 18, 2026 AL2Meta

YAML (YAML Ain’t Markup Language) is a human-readable data serialization language commonly used for configuration files, automation, and data exchange. It uses indentation-based, whitespace-sensitive formatting to represent data structures

Terms

XML

February 18, 2026February 18, 2026 AL2Meta

XML (Extensible Markup Language) is a versatile, text-based markup language designed to structure, store, and transport data in a format that is both human-readable and machine-readable. Unlike HTML,