java獲取nginx反向代理後瀏覽器的真實ip
阿新 • • 發佈:2018-12-31
若用nginx做反向代理後,直接用String ip = request.getRemoteAddr();
獲取的將是nginx伺服器所在ip地址,不能獲取瀏覽器真實ip地址!
第一步:在nginx中新增如下配置:
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header REMOTE-HOST $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
如下圖所示:
第二步:獲取真實ip地址
String ip = request.getHeader("x-forwarded-for"); if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("Proxy-Client-IP"); } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("WL-Proxy-Client-IP"這樣,獲取到的就是使用者所在公網的ip地址了。); } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getRemoteAddr(); }