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NAME Plack::Middleware::RealIP - Override client IP with header value provided by proxy/load balancer SYNOPSIS enable 'Plack::Middleware::RealIP', header => 'X-Forwarded-For', trusted_proxy => [qw(192.168.1.0/24 192.168.2.1)]; DESCRIPTION Plack::Middleware::RealIP is loose port of the Apache module mod_remoteip. It overrides "REMOTE_ADDR" with the IP address advertised in the request header configured with "header". When multiple, comma delimited IP addresses are listed in the header value, they are processed from right to left. The first untrusted IP address found, based on "trusted_proxy", stops the processing and is set to be "REMOTE_ADDR". The header field is updated to this remaining list of unconfirmed IP addresses, or if all IP addresses were trusted, this header is removed from the request altogether. CONFIGURATION header Sets a request header to trust as the client IP, e.g. X-Client-IP trusted_proxy A list of IP addresses or subnet blocks which are trusted to provide IP header. AUTHOR Sherwin Daganato <firstname.lastname@example.org> Most of the logic is based on Plack::Middleware::XForwardedFor by Graham Barr LICENSE This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. SEE ALSO mod_remoteip <http://httpd.apache.org/docs/trunk/mod/mod_remoteip.html> Plack::Middleware::XForwardedFor Plack::Middleware::ReverseProxy Net::Netmask