Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:

Fewer Letters	More Letters
CA	(SSL) Certificate Authority
DNS	Domain Name Service/System
SSO	Single Sign-On
VPN	Virtual Private Network
nginx	Popular HTTP server

---

[Thread #162 for this comm, first seen 8th Nov 2026, 18:10] [FAQ] [Full list] [Contact] [Source code]