Daisuke Maki
and 1 contributors

NAME

Gungho::Component::BlockPrivateIP - Block Requests With Private IP Address

SYNOPSIS

  components:
    - BlockPrivateIP

DESCRIPTION

Some domain names map to private IP addresses such as 192.168.*.* purpose, which could cause DoS in certain situations.

Loading this component will make addresses resolved via DNS lookups to be blocked, if they resolved to a private IP address such as 192.168.1.1. Note that 127.0.0.1 is also considered a private IP.

METHODS

request_is_allowed

Overrides Gungho::Component::Core::request_is_allowed()

handle_dns_response

Overrides Gungho::Component::Core::handle_dns_response()

block_private_ip_address

Check the given address, and if it's a private address, generates an error HTTP Response/

address_is_private

Given an address, returns true if the address looks like a private IP

SEE ALSO

Regexp::Common