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aerickson/find_external_ip.rb

Created September 16, 2013 18:20
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Get your IP address on unix-y system without a fork in Ruby. http://coderrr.wordpress.com/2008/05/28/get-your-local-ip-address/
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find_external_ip.rb
require 'socket'
def local_ip
orig, Socket.do_not_reverse_lookup = Socket.do_not_reverse_lookup, true # turn off reverse DNS resolution temporarily
UDPSocket.open do |s|
s.connect '64.233.187.99', 1
s.addr.last
end
ensure
Socket.do_not_reverse_lookup = orig
end
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