dockerfiles/privoxy

privoxy

Privoxy is a non-caching web proxy with advanced filtering capabilities for enhancing privacy, modifying web page data and HTTP headers, controlling access, and removing ads and other obnoxious Internet junk. Privoxy has a flexible configuration and can be customized to suit individual needs and tastes. It has application for both stand-alone systems and multi-user networks.

directory tree

~/fig/privoxy/
├── docker-compose.yml
└── privoxy/
    ├── config
    ├── user.action
    └── user.filter

file: docker-compose.yml

version: "3.8"
services:
  privoxy:
    image: vimagick/privoxy
    ports:
      - "8118:8118"
    volumes:
      - ./data/config:/etc/privoxy/config
      - ./data/user.action:/etc/privoxy/user.action
      - ./data/user.filter:/etc/privoxy/user.filter
    restart: unless-stopped

file: user.action

{+filter{rot}}
/

{+block}
127.0.0.1
45.32.57.113
.easypi.duckdns.org

⚠️ Make sure you block ip/domain which point to server itself.

file: user.filter

FILTER: rot rotate image
s|</head>|<style>img{transform: rotate(180deg);}</style></head>|gisU

server

$ cd ~/fig/privoxy/
$ docker-compose up -d
$ docker-compose logs
Attaching to privoxy_privoxy_1
privoxy_1 | 2023-08-28 17:47:32.838 7ff17bdb5048 Info: Privoxy version 3.0.34
privoxy_1 | 2023-08-28 17:47:32.838 7ff17bdb5048 Info: Program name: privoxy
privoxy_1 | 2023-08-28 17:47:32.839 7ff17bdb5048 Info: Loading filter file: /etc/privoxy/default.filter
privoxy_1 | 2023-08-28 17:47:32.845 7ff17bdb5048 Info: Loading filter file: /etc/privoxy/user.filter
privoxy_1 | 2023-08-28 17:47:32.845 7ff17bdb5048 Info: Loading actions file: /etc/privoxy/match-all.action
privoxy_1 | 2023-08-28 17:47:32.845 7ff17bdb5048 Info: Loading actions file: /etc/privoxy/default.action
privoxy_1 | 2023-08-28 17:47:32.852 7ff17bdb5048 Info: Loading actions file: /etc/privoxy/user.action
privoxy_1 | 2023-08-28 17:47:32.852 7ff17bdb5048 Info: Listening on port 8118 on IP address 0.0.0.0
privoxy_1 | 2023-08-28 17:48:27.607 7ff17bff3ab0 Request: www.example.org/
privoxy_1 | 2023-08-28 17:48:53.069 7ff17bff3ab0 Request: www.example.org/

client

$ docker network ls
$ docker run --rm --network privoxy_default alpine wget -O- http://www.example.org

$ export http_proxy=127.0.0.1:8118
$ wget -O- http://www.example.org

In both cases, you will see <style>img{transform: rotate(180deg);}</style></head> in output.