Acronyms, initialisms, abbreviations, contractions, and other phrases which expand to something larger, that I’ve seen in this thread:
Fewer Letters More Letters DHCP Dynamic Host Configuration Protocol, automates assignment of IPs when connecting to a network DNS Domain Name Service/System ISP Internet Service Provider NAT Network Address Translation PiHole Network-wide ad-blocker (DNS sinkhole) XMPP Extensible Messaging and Presence Protocol (‘Jabber’) for open instant messaging[Thread #115 for this comm, first seen 27th Sep 2026, 20:10] [FAQ] [Full list] [Contact] [Source code]