PHP _php tutorial based on IP anti-attack program code

Source: Internet
Author: User
But in the last few days it's been a bad day, with 90% of attacks that can't be intercepted, take a look at the stats:
IP attacks and the number of start-time attacks location notes
125.165.1.42--2010-11-19 02:02:19--/10 Indonesia
125.165.26.186--2010-11-19 16:56:45--/1846 Indonesia
151.51.238.254--2010-11-19 09:32:40--/4581 Italy
151.76.40.182--2010-11-19 11:58:37--/4763 Rome, Italy
186.28.125.37--2010-11-19 11:19:22--/170 Colombia
186.28.131.122--2010-11-19 11:28:43--/22 Colombia
186.28.25.130--2010-11-19 11:30:20--/1530 Colombia
188.3.1.108--2010-11-19 02:48:28--/1699 Turkey
188.3.1.18--2010-11-19 06:46:01--/1358 Turkey
188.3.34.226--2010-11-19 17:07:02--/1672 Turkey
190.24.50.228--2010-11-19 12:26:38--/2038 Colombia
190.24.83.82--2010-11-19 14:20:10--/9169 Colombia
190.25.30.213--2010-11-19 14:00:44--/680 Colombia
190.26.29.130--2010-11-19 13:33:11--/510 Colombia
190.27.115.101--2010-11-19 13:53:48--/340 Colombia
190.27.22.222--2010-11-19 12:16:02--/340 Colombia
201.244.113.165--2010-11-19 11:25:55--/170 Colombia
201.244.113.47--2010-11-19 11:24:56--/147 Colombia
201.244.115.156--2010-11-19 10:13:56--/2031 Colombia
201.244.119.228--2010-11-19 13:50:05--/170 Colombia
201.245.218.155--2010-11-19 13:30:30--/21 Colombia
212.156.185.122--2010-11-19 08:40:36--/16158 Turkey
78.160.106.60--2010-11-19 03:31:12--/340 Turkey
78.162.67.77--2010-11-19 04:26:24--/3595 Turkish program caught
78.175.64.173--2010-11-19 02:00:08--/2877 Turkey
78.176.178.76--2010-11-19 06:12:05--/2370 Turkey
78.177.2.86--2010-11-19 13:24:29--/196 Turkey
78.181.76.51--2010-11-19 16:04:29--/600 Turkey
78.184.145.63--2010-11-19 14:30:12--/2542 Turkey
78.185.168.24--2010-11-19 09:02:52--/3877 Turkey
78.190.79.225--2010-11-19 13:25:22--/3300 Turkey
78.190.84.230--2010-11-19 06:51:33--/2719 Turkey
78.191.149.47--2010-11-19 08:34:34--/8783 Turkey
78.191.233.108--2010-11-19 05:10:48--/340 Turkey
78.191.94.126--2010-11-19 04:34:26--/3091 Turkey
85.104.231.74--2010-11-19 08:03:53--/3500 Turkey
85.104.49.60--2010-11-19 04:47:12--/1037 Turkey
85.106.123.116--2010-11-19 13:35:45--/68 Turkey
88.224.255.96--2010-11-19 07:18:59--/3903 Turkey
88.228.138.65--2010-11-19 02:12:31--/396 Turkey
88.228.66.5--2010-11-19 10:44:26--/2797 Turkey
88.229.12.40--2010-11-19 06:57:46--/6792 Turkey
88.234.193.11--2010-11-19 08:25:42--/5895 Turkey
88.236.78.79--2010-11-19 15:01:54--/170 Turkey
88.238.26.12--2010-11-19 05:21:46--/473 Turkey
88.238.26.154--2010-11-19 05:31:58--/1683 Turkey
88.242.124.128--2010-11-19 06:53:56--/8401 Turkey
88.242.65.61--2010-11-19 08:38:41--/1204 Turkish program caught
94.122.20.157--2010-11-19 09:53:39--/1917 Turkish American program caught
94.54.37.54--2010-11-19 02:44:07--/1096 Turkish American program caught
95.14.1.97--2010-11-19 08:30:10--/167 Turkey USA
95.15.248.177--2010-11-19 11:14:54--/1454 Turkish American program caught
A total of 125,008 times, fast 15 seconds 172 times, only catch 9,266 times.
This watch is bad enough, our site was attacked more than 120,000 times a day, if allowed to do so, the Web site will be the burden of the impact of the Internet is obvious, the attack is characterized by a 3-5 different IP at the time of the attack will be at the same time 3-5 times per second, the speed of attack come over, Total up to 9-25 times per second, every 1-6 hours to change the IP, and the IP and previous records are not duplicated. In this way, the site's memory will suddenly be too large, bright lights, and the other is to bring great instability to the network. Individual IP is sealed has always existed, I tried to complete the solution, a solution to a number of IP at the same time to attack, and even make the website severely overloaded for a few minutes.
Now, starting the topic of this issue, why can not stop the new attack? After research, I found that 90% of IP using a new attack scheme: has been intelligent to attack 2 minutes to stop 5 minutes of the rotation attack, because my last program parameter set to 600 seconds/period of the conservative scheme, so I changed the parameter to 120 seconds 120 times the new scheme, the error rate of 0.5% or less, After the log comparison, I can analyze 120 seconds 120 times the wrong kill is never tried, 120 seconds more 1 times also just have a freight page because of network problems have a customer refresh more 1 back, this is our trading background reason is not enough intelligent majority.
Finally, thank you for your message, I will think of your message. However, I this program is only a reference, local conditions, is not the best, can only be said to be humane. Now I send the program again, only changed the time parameter, the new parameters have been able to 100% to seize those hacker IP, I experimented for two days, grabbed 62 new IP, or the majority of Turkey.
Website anti-IP attack code (ANTI-IP attack Code website) ver2.0:
[Code] /*
* Web site Anti-IP attack code (ANTI-IP attack code website) 2010-11-24,ver2.0
*mydalle.com Anti-refresh mechanism
*design by www. Ite5e.com
*/
Query prohibit IP
$ip =$_SERVER[REMOTE_ADDR];
$fileht = ". Htaccess2";
if (!file_exists ($fileht)) file_put_contents ($fileht, "");
$filehtarr = @file ($fileht);
if (In_array ($ip. "", $filehtarr)) Die ("Warning:". ")
"." Your IP address is forbided by mydalle.com Anti-refresh mechanism and IF you had any question Pls Emill to shop@mydalle.com !
(mydalle.com Anti-refresh mechanism is to enable the users to has a good shipping services, but there maybe some inevitable n Etwork problems in your IP address, so (can mail to us to solve.));

Add Forbidden IP
$time =time ();
$fileforbid = "Log/forbidchk.dat";
if (file_exists ($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 ($fileforbid);
ElseIf ($fileforbidarr [2]>120) {file_put_contents ($fileht, $ip. "", file_append); unlink ($fileforbid);}
else{$fileforbidarr [2]; File_put_contents ($fileforbid, $fileforbidarr);}
}
}
}
Anti-Refresh
$str = "";
$file = "Log/ipdate.dat";
if (!file_exists ("Log") &&!is_dir ("Log")) mkdir ("Log", 0777);
if (!file_exists ($file)) file_put_contents ($file, "");
$allowTime = 60;//anti-refresh Time
$allowNum =5;//anti-refresh times
$uri =$_server[request_uri];
$checkip =md5 ($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. $time. " 1 ";
ElseIf ($numtem < $allowNum) $str. = $iptem. $uritem. $timetem. ($numtem 1). "";
Else
{
if (!file_exists ($fileforbid)) {$addforbidarr =array ($ip. "", Time (). "", 1); File_put_contents ($fileforbid, $ Addforbidarr);}
File_put_contents ("Log/forbided_ip.log", $ip. " --". Date (" Y-m-d h:i:s ", Time ())." --". $uri.", File_append);
$timepass = $timetem $allowTime-$time;
Die ("Warning:". ")
"." Pls dont refresh too frequently, and wait for '. $timepass. "Seconds to continue, IF not your IP address would be forbided a Utomatic by mydalle.com Anti-refresh mechanism!
(mydalle.com Anti-refresh mechanism is to enable the users to has a good shipping services, but there maybe some inevitable n Etwork problems in your IP address, so (can mail to us to solve.));
}
}
}
}
if ($yesno) $str. = $checkip. $checkuri. $time. " 1 ";
File_put_contents ($file, $STR);
?>
[/code]

http://www.bkjia.com/PHPjc/486059.html www.bkjia.com true http://www.bkjia.com/PHPjc/486059.html techarticle However, in recent days, suddenly bad up, 90% of the attacks have been unable to intercept, please look at the day of statistics: IP attacks and the number of start time attacks location notes 125.165.1.42--2010-11 ...

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