Install libc-icap-mod-contentfiltering by entering the following commands in the terminal:
sudo apt update sudo apt install libc-icap-mod-contentfiltering
Description:
Content filtering Service for c-icap
This is an score based content filtering icap service. It is distributed with c-icap and written by the same author.
Homepage: http://c-icap.sourceforge.net/
Version: 1:0.4.4-1
Section: universe/net