RemoteIPHeader X-Forwarded-For RemoteIPProxiesHeader X-Forwarded-By RemoteIPInternalProxy 172.23.0.0/24 LogFormat "%v %h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\" \"X-Forwarded-For: %{X-Forwarded-For}i\" \"X-Forwarded-By: %{X-Forwarded-By}i\"" combined_fwd CustomLog /proc/self/fd/1 combined_fwd