We use cookies to understand how the site is used and to improve it. You can accept them, or carry on with them switched off.
374 Usenet terms explained in plain English — from newsgroups and NZBs to encoding, retention, error codes and privacy. Search below, browse by category, or jump straight to a letter.
The foundational vocabulary of Usenet: what newsgroups are, how the hierarchies are organized, what an article actually contains, and how posts travel from one server to another. Start here if terms like Message-ID, crosspost, or propagation are unfamiliar. Everything else in this glossary assumes the ideas defined in this section.
NNTP itself, plus the machinery behind a news server. This section covers the protocol commands a newsreader sends, the three-digit response codes it gets back, the ports and encryption involved, and how spools, feeds, and peering arrangements are built. Useful for anyone configuring a client or trying to understand what a provider is actually operating.
Usenet carries text, so every file has to be encoded, split into thousands of articles, and reassembled at the other end. This section defines yEnc, PAR2, RAR sets, segments, and the repair process that fixes what arrives damaged or missing. These are the terms that explain why a download succeeds or ends up incomplete.
How people find things on Usenet without downloading millions of headers themselves. This section covers the NZB file format, indexers and their APIs, header downloading, subject parsing, and the difference between an indexer's retention and a provider's. If a download fails before it starts, the cause is usually defined somewhere in here.
The commercial side of Usenet and what the numbers on a provider's spec sheet actually mean. This section defines backbones and resellers, retention versus completion rate, unlimited plans versus block accounts, and connection limits. Read this before comparing two providers on advertised figures alone.
Usenet predates the web by a decade, and it left behind a vocabulary that shaped how the whole internet argues. This section covers netiquette and its enforcement, the events that defined the network's history, and terms like Eternal September, killfile, and flame war. Most entries here are historical, and the section says so where that is true.
What the error actually means and what fixes it. This section covers NNTP response codes like 430, 480, and 502, along with repair failures, stalled downloads, connection problems, and unpacking errors. Each entry separates causes that sit with the provider from causes that sit with the indexer or the local machine, because that distinction determines the fix.
What encryption on a Usenet connection does and does not do. This section defines TLS, ports, certificates, cipher negotiation, and account security, and is written to be accurate about the limits of each rather than reassuring, because the difference matters.