PHP prohibits frequent access to the same IP to prevent the site from being protected against attack or collection of code

PHP prohibits frequent access to the same IP to prevent the site from being protected against attack or collection of code

  /*
* Prevent the website from being protected against attack code by prohibiting frequent IP access
*design by www.scutephp.com
*/
Header (' content-type:text/html; Charset=utf-8 ');
$ip =$_server[' remote_addr '];//get the IP of the current visitor
$logFilePath = './log/';//log record file save directory
$fileht = '. Htaccess2 ';//Forbidden IP record file
$allowtime =60;//anti-refresh Time
$allownum =5;//anti-refresh times
$allowRefresh =120;//added to the Forbidden IP file after the number of refresh times allowed

if (!file_exists ($fileht)) {
File_put_contents ($fileht, ");
}
$filehtarr = @file ($fileht);
if (In_array ($ip. " \ r \ n ", $filehtarr)) {
Exit (' Warning: Your IP has been banned! ');
}
Add Forbidden IP
$time =time ();
$fileforbid = $logFilePath. ' Forbidchk.dat ';
if (file_exists ($fileforbid)) {
if ($time-filemtime ($fileforbid) >30) {
@unlink ($fileforbid);
}else{
$fileforbidarr = @file ($fileforbid);
if ($ip ==substr ($fileforbidarr [0],0,strlen ($IP))) {
if ($time-substr ($fileforbidarr [1],0,strlen ($time)) >120) {
@unlink ($fileforbid);
}else if ($fileforbidarr [2]> $allowRefresh) {
File_put_contents ($fileht, $ip. " \ r \ n ", file_append);
@unlink ($fileforbid);
}else{
$fileforbidarr [2]++;
File_put_contents ($fileforbid, $fileforbidarr);
}
}
}
}
Anti-Refresh
$str = ";
$file = $logFilePath. ' Ipdate.dat ';
if (!file_exists ($logFilePath) &&!is_dir ($logFilePath)) {
mkdir ($logFilePath, 0777);
}
if (!file_exists ($file)) {
File_put_contents ($file, ");
}
$uri =$_server[' Request_uri '];//get the address of the page file currently visited
$checkip =md5 ($IP);
$checkuri =md5 ($uri);
$yesno =true;
$ipdate = @file ($file);
foreach ($ipdate as $k = = $v) {
$iptem =substr ($v, 0,32);
$uritem =substr ($v, 32,32);
$timetem =substr ($v, 64,10);
$numtem =substr ($v, 74);
if ($time-$timetem < $allowtime) {
if ($iptem! = $checkip) {
$str. = $v;
}else{
$yesno =false;
if ($uritem! = $checkuri) {
$str. = $iptem. $checkuri. $time. " \ r \ n ";
}else if ($numtem < $allownum) {
$str. = $iptem. $uritem. $timetem. ($numtem + 1). " \ r \ n ";
}
else{
if (!file_exists ($fileforbid)) {
$addforbidarr =array ($ip. " \ r \ n ", Time ()." \ r \ n ", 1);
File_put_contents ($fileforbid, $addforbidarr);
}
File_put_contents ($logFilePath. ' Forbided_ip.log ', $ip. '--'. Date (' y-m-d h:i:s ', Time ()). ' --'. $uri. ' \ r \ n ", file_append);
$timepass = $timetem + $allowtime-$time;
Exit (' Warning: Do not refresh too often! ');
}
}
}
}
if ($yesno) {
$str. = $checkip. $checkuri. $time. " \ r \ n ";
}
File_put_contents ($file, $STR);

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