Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > body text

How to ban IP access (without filtering search engine spiders) in PHP

WBOY
Release： 2016-07-25 08:55:38
Original
1696 people have browsed it

  3. /**

  4. * Block access to specified IP addresses, but do not block search engine spiders
  5. * by bbs.it-home.org
  6. */
  7. function get_ip_data(){
  8. 　　$ip=file_get_contents("http://ip.taobao.com/service/getIpInfo.php?ip=".get_client_ip());
  9. 　　$ip = json_decode($ip);
  10. 　　if($ip->code){
  11. 　　return false;
  12. 　　}

  13. 　　$data = (array) $ip->data;

  14. 　　if($data['region']=='湖北省' && !isCrawler()){
  15. 　　exit('http://bbs.it-home.org');
  16. 　　}
  17. 　　}
  18. 　　function isCrawler() {
  19. 　　$spiderSite= array(
  20. 　　"TencentTraveler",
  21. 　　"Baiduspider+",
  22. 　　"BaiduGame",
  23. 　　"Googlebot",
  24. 　　"msnbot",
  25. 　　"Sosospider+",
  26. 　　"Sogou web spider",
  27. 　　"ia_archiver",
  28. 　　"Yahoo! Slurp",
  29. 　　"YoudaoBot",
  30. 　　"Yahoo Slurp",
  31. 　　"MSNBot",
  32. 　　"Sogou Spider",
  33. 　　"Speedy Spider",
  34. 　　"Google AdSense",
  35. 　　"Heritrix",
  36. 　　"Fish search",
  37. 　　);

  38. 　　if(in_array(strtolower($_SERVER['HTTP_USER_AGENT']),$spiderSite)){

  39. 　　return true;
  40. 　　}else{
  41. 　　return false;
  42. 　　}
  43. 　　}
  44. 　　//获取客户端的IP地址
  45. 　　function get_client_ip()
  46. 　　{
  47. 　　if (isset($_SERVER)){
  48. 　　if (isset($_SERVER["HTTP_X_FORWARDED_FOR"])){
  49. 　　$realip = $_SERVER["HTTP_X_FORWARDED_FOR"];
  50. 　　} else if (isset($_SERVER["HTTP_CLIENT_IP"])) {
  51. 　　$realip = $_SERVER["HTTP_CLIENT_IP"];
  52. 　　} else {
  53. 　　$realip = $_SERVER["REMOTE_ADDR"];
  54. 　　}
  55. 　　} else {
  56. 　　if (getenv("HTTP_X_FORWARDED_FOR")){
  57. 　　$realip = getenv("HTTP_X_FORWARDED_FOR");
  58. 　　} else if (getenv("HTTP_CLIENT_IP")) {
  59. 　　$realip = getenv("HTTP_CLIENT_IP");
  60. 　　} else {
  61. 　　$realip = getenv("REMOTE_ADDR");
  62. 　　}
  63. 　　}
  64. 　　return $realip;
  65. }

复制代码


Related labels：
PHP禁止IP访问(不过滤搜索引擎蜘蛛)的方法
source：php.cn
Previous article：An example of PHP image collection function Next article：PHP code to delete records and delete image files at the same time
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
function_exists() cannot determine the custom function Function test () {return true;} if (function_exists ('test')) {echo "test is function...
From 2024-04-29 11:01:01
0
2
1986
How to display the mobile version of Google Chrome Hello teacher, how can I change Google Chrome into a mobile version?
From 2024-04-23 00:22:19
0
10
2148
The child window operates the parent window, but the output does not respond. The first two sentences are executable, but the last sentence cannot be implemented.
From 2024-04-19 15:37:47
0
1
1814
There is no output in the parent window document.onclick = function(){ window.opener.document.write('I am the output of the child ...
From 2024-04-18 23:52:34
0
1
1706
Where is the courseware about CSS mind mapping? Courseware
From 2024-04-16 10:10:18
0
0
1724
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template