IP 地址的检查
IP 地址的检查

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String remoteHost = request.getRemoteHost();
if (request.getHeader("x-forwarded-for") != null) {
??? String header = request.getHeader("x-forwarded-for");
??? String[] ips = header.split(",");
??? if (ips.length > 0) {
??????? remoteHost = ips[0];
??? }
}

if(i= -1? && (remoteHost.indexOf("XXX.XXX") > -1 || remoteHost.indexOf("192.168") > -1 || remoteHost.indexOf("XXX.XXX.XXX.XXX")> -1 || remoteHost.indexOf("XXX.XXX")> -1|| remoteHost.indexOf("127.0.0.1")> -1 || remoteHost.indexOf("XXX.11")> -1)){
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}else if(i!= -1) {
?System.out.println("illegal IP: " + remoteHost + " " + subjectId);
?return ;
}