# File lib/action_dispatch/middleware/remote_ip.rb, line 18 def initialize(app, check_ip_spoofing = true, custom_proxies = nil) @app = app @check_ip = check_ip_spoofing if custom_proxies custom_regexp = Regexp.new(custom_proxies) @proxies = Regexp.union(TRUSTED_PROXIES, custom_regexp) else @proxies = TRUSTED_PROXIES end end