http://www.mkyong.com/java/how-to-get-client-ip-address-in-java/qingshan
10 months agopublic static String getIpAddr(HttpServletRequest request) {
String ip = request.getHeader("X-Real-IP");
if (null != ip && !"".equals(ip.trim())
&& !"unknown".equalsIgnoreCase(ip)) {
return ip;
}
ip = request.getHeader("X-Forwarded-For");
if (null != ip && !"".equals(ip.trim())
&& !"unknown".equalsIgnoreCase(ip)) {
// get first ip from proxy ip
int index = ip.indexOf(',');
if (index != -1) {
return ip.substring(0, index);
} else {
return ip;
}
}
return request.getRemoteAddr();
}
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