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mindproxy

A ruby script that filters the maxmind csv database files based on country or subdivisions of countries. The output is a text file list of IPv4 blocks that can be used to load into a haproxy acl.

Installation

Dependencies are specified in the Gemfile provided.

cd mindproxy
bundle install

You can also use the docker file provided

cd mindproxy
docker build -t mindproxy:1
docker run -e MAXMIND_LICENSE_KEY=<A VALID MAXMIND KEY> maxmind:1 <OPTIONS>

See usage for the cli options

Usage

./mindproxy.rb
usage: ./mindproxy.rb [options]
    -c, --citycsv      The maxmind city database csv
    -i, --ipblockscsv  The maxmind ip blocks database csv
    -a, --countryiso   The optional country code (ISO).Has to match code in csv
    -n, --countryname  The optional country name. Has to match name in csv
    -s, --subdivision  A subdivision of a country. Has to match name in csv. Eg Crimea
    -o, --outputfile   The ouptut file
    -l, --license      A maxmind license key
    -d, --dir          The directory to download the maxmind db to
    -f, --force        Force analysis even if database is up-to-date
    -h, --help         Prints help message

Any of country name, country iso and country subdivision will be combined as a logical OR to filter the results found in the CSV file specified by -o. The string must exactly match the respective entry in the CSV

Program Flow

Flow

Examples

#Filter North Korea(KP), Cuba, and Crimea

./mindproxy.rb \
-c /tmp/GeoLite2-City-CSV_20210713/GeoLite2-City-Locations-en.csv \
-i /tmp/GeoLite2-City-CSV_20210713/GeoLite2-City-Blocks-IPv4.csv \
-a KP -n Cuba -s Crimea -o test.conf -l <A VALID MAXMIND KEY>

#Download the latest db csv files and with the same filters as above, but use
#the license specified by the MAXMIND_LICENSE_KEY environment variable

MAXMIND_LICENSE_KEY=<A VALID MAXMIND KEY> ./mindproxy.rb -a KP -n Cuba \
-s Crimea -o test.conf

head test.conf
5.59.104.0/24
5.62.56.73/32
5.62.56.74/31
5.62.56.160/30
5.62.58.69/32
5.62.58.70/31
5.62.61.64/30
5.101.208.0/21
31.3.24.0/21
31.40.128.70/32

Haproxy config

Once the file containing the IP blocks has been written this can be read by haproxy. Here is one example which will deny access to any source ip that is in the list.

# Haproxy config file
acl block_these src -f /tmp/mindproxy_acl.lst
http-request deny if block_these

Tests

To run the test suite.

cd mindproxy
rpsec