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Nginx与真实IP

配置了Nginx，Tomcat中的Web程序，获得的ip一直是“127.0.0.1”，比较纳闷。
获得远程ip，已经判断了很多情况，为什么会这样呢?


 正解
 proxy_set_header        Host    $host;
 proxy_set_header        X-Real-IP       $remote_addr;
 proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
 
 Java代码直接取：request.getRemoteAddr()；

 再有Nginx等情况下，获得的地址不对，比如“127.0.0.1”。


/**
 * 
 * @author fansunion@qq 2014年12月7日
 */
public class IpUtil {
public static String getRemoteIp(HttpServletRequest request) {
String remoteIp = request.getHeader("x-forwarded-for");
if (remoteIp == null || remoteIp.isEmpty()
|| "unknown".equalsIgnoreCase(remoteIp)) {
remoteIp = request.getHeader("X-Real-IP");
}
if (remoteIp == null || remoteIp.isEmpty()
|| "unknown".equalsIgnoreCase(remoteIp)) {
remoteIp = request.getHeader("Proxy-Client-IP");
}
if (remoteIp == null || remoteIp.isEmpty()
|| "unknown".equalsIgnoreCase(remoteIp)) {
remoteIp = request.getHeader("WL-Proxy-Client-IP");
}
if (remoteIp == null || remoteIp.isEmpty()
|| "unknown".equalsIgnoreCase(remoteIp)) {
remoteIp = request.getHeader("HTTP_CLIENT_IP");
}
if (remoteIp == null || remoteIp.isEmpty()
|| "unknown".equalsIgnoreCase(remoteIp)) {
remoteIp = request.getHeader("HTTP_X_FORWARDED_FOR");
}
if (remoteIp == null || remoteIp.isEmpty()
|| "unknown".equalsIgnoreCase(remoteIp)) {
remoteIp = request.getRemoteAddr();
}
if (remoteIp == null || remoteIp.isEmpty()
|| "unknown".equalsIgnoreCase(remoteIp)) {
remoteIp = request.getRemoteHost();
}
if (remoteIp != null && remoteIp.indexOf(",") != -1) {
remoteIp = remoteIp.substring(remoteIp.lastIndexOf(",") + 1,
remoteIp.length()).trim();
}
return remoteIp;
}
}

本文标签： Nginx与真实IP

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