A big limitation with /etc/hosts is no support for wildcards. Previous subthread about it: https://news.ycombinator.com/item?id=22535387 https://news.ycombina

A big limitation with /etc/hosts is no support for wildcards. Previous subthread about it: https://news.ycombinator.com/item?id=22535387 https://news.ycombinator.com/item?id=22535387 (But it doesn't look like wildcard pattern matching doesn't work for the substring middle part of the string like your example.)