Install squid-langpack by entering the following commands in the terminal:
sudo apt update sudo apt install squid-langpack
Description:
Localized error pages for Squid
Squid is a high-performance proxy caching server for web clients, supporting FTP, gopher, and HTTP data objects. . This package contains localized error pages.
Homepage: http://www.squid-cache.org
Version: 20170901-1
Section: web