go-dnsblocker

go-dnsblocker

Block dns queries in black list and proxy other queries

Black list is plain file with list of blocked domain separated with new line '\n'. File should ended with empty line.

Black list example:

google.com
facebook.com

Build

Build require installed and configured golang compiler (tested on 1.5.3).

git clone https://github.com/c0va23/go-dnsblocker.git
go build dnsblocker.go
echo google.com > hosts
sudo ./dnsblocker

Test dns request

For test you should send dns query to dnsblocker. For example use util dig:

dig @127.0.0.1 google.com

Command line arguments

-cache-duration int
    Set cache duration into seconds (default 300)
-cache-size int
    Set cache size into bytes (default 1048576)
-dns-server string
    DNS server for proxy not blocked queries (default "192.168.1.1:domain")
-hosts-path string
    Path to hosts file (default "hosts")
-listen string
    Listen is pair 'ip:port' (default ":domain")
-log-level string
    Set minimum log level (default "INFO")