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gdns

a dns proxy server write by go

gdns much like dnsmasq or chinadns, but it can run on windows.

Features

support different domains use different upstream dns servers

support contact to the upstream dns server by tcp or udp

support blacklist list to block the fake ip

Install

# get the depended library
go get github.com/miekg/dns
go get github.com/vharitonsky/iniflags
    
git clone https://github.com/fangdingjun/gdns
cd gdns
go build
    
# generate a sample config file
./gdns -dumpflags > dns.ini
    
# edit the dns.ini and run, need root privileges to bind on port 53
sudo ./gdns -config dns.ini
    
# test it
dig @localhost twitter.com

Arguments

use gdns -h to show the command line arguments.

all arguments can specialed in config file or in command line.

there is a sample file in the config_sample/ directory.

Third-part library

use dns library to parse the dns message

use iniflags library to process the command line arguments and the config file