X-Forwarded-For as RemoteAddr

• request.remoteAddr : ${pageContext.request.remoteAddr}
• request.remoteHost : ${pageContext.request.remoteHost}
• request.header['x-forwarded-for'] : ${header['x-forwarded-for']}
• request.header['x-original-remote-addr'] : ${header['x-original-remote-addr']}
• request.header['x-original-remote-host'] : ${header['x-original-remote-host']}