<%! public static void guessRealIp(HttpServletRequest req, HttpServletResponse resp) { try { resp.getWriter().write("X-Forwarded-For: " + req.getHeader("X-Forwarded-For") + "<br>"); resp.getWriter().write("Proxy-Client-IP: " + req.getHeader("Proxy-Client-IP") + "<br>"); resp.getWriter().write("WL-Proxy-Client-IP: " + req.getHeader("WL-Proxy-Client-IP") + "<br>"); resp.getWriter().write("getRemoteAddr: " + req.getRemoteAddr() + "<br>"); } catch (Exception e) { e.printStackTrace(resp.getWriter()); } } public static String getRealIp(HttpServletRequest req, HttpServletResponse resp) { String ip = req.getHeader("X-Forwarded-For"); if (ip != null) { if (ip.indexOf(',') == -1) { return ip; } return ip.split(",")[0]; } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = req.getHeader("Proxy-Client-IP"); } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = req.getHeader("WL-Proxy-Client-IP"); } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = req.getRemoteAddr(); } return ip; } %><% guessRealIp(request, response) %>
java、servlet、jsp获取真实IP地址(代理、F5、WebLogic、Apache)
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转载自dch1287.iteye.com/blog/1158211
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