PHP程序防止ddos,dns,集群服务器攻击

2016-06-13 09:42 1688浏览原创

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[代码] ddos,dns,集群服务器攻击QQ33258影子可以测试满意担保

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print? 001 002 <code class="plain"><?php 003 004 <code class="plain">//查询禁止IP 005 006 <code class="plain">$ip =$_SERVER[<code class="string">'REMOTE_ADDR'<code class="plain">]; 007 008 <code class="plain">$fileht=<code class="string">".htaccess2"<code class="plain">; 009 010 <code class="keyword">if<code class="plain">(!file_exists($fileht))file_put_contents($fileht,<code class="string">""<code class="plain">); 011 012 <code class="plain">$filehtarr=@<code class="functions">file<code class="plain">($fileht); 013 014 <code class="keyword">if<code class="plain">(in_array($ip.<code class="string">"\r\n"<code class="plain">,$filehtarr))die(<code class="string">"Warning:"<code class="plain">.<code class="string">"<br>"<code class="plain">.

<code class="string">"Your IP address are forbided by some reason, IF you have any question Pls emill to shop@mydalle.com!"

<code class="plain">); 015 016 <code class="spaces"> 017 018 <code class="plain">//加入禁止IP 019 020 <code class="plain">$<code class="functions">time<code class="plain">=<code class="functions">time<code class="plain">(); 021 022 <code class="plain">$fileforbid=<code class="string">"log/forbidchk.dat"<code class="plain">; 023 024 <code class="keyword">if<code class="plain">(file_exists($fileforbid)) 025 026 <code class="plain">{ <code class="keyword">if<code class="plain">($<code class="functions">time<code class="plain">-filemtime($fileforbid)>60)unlink($fileforbid); 027 028 <code class="keyword">else<code class="plain">{ 029 030 <code class="plain">$fileforbidarr=@<code class="functions">file<code class="plain">($fileforbid); 031 032 <code class="keyword">if<code class="plain">($ip==substr($fileforbidarr[0],0,strlen($ip))) 033 034 <code class="plain">{ 035 036 <code class="keyword">if<code class="plain">($<code class="functions">time<code class="plain">-substr($fileforbidarr[1],0,strlen($<code class="functions">time<code class="plain">))>600)unlink($fileforbid); 037 038 <code class="plain">elseif($fileforbidarr[2]>600){file_put_contents($fileht,$ip.<code class="string">"\r\n"<code class="plain">,FILE_APPEND);unlink($fileforbid);} 039 040 <code class="keyword">else<code class="plain">{$fileforbidarr[2]++;file_put_contents($fileforbid,$fileforbidarr);} 041 042 <code class="plain">} 043 044 <code class="plain">} 045 046 <code class="plain">} 047 048 <code class="plain">//防刷新 049 050 <code class="plain">$str=<code class="string">""<code class="plain">; 051 052 <code class="plain">$<code class="functions">file<code class="plain">=<code class="string">"log/ipdate.dat"<code class="plain">; 053 054 <code class="keyword">if<code class="plain">(!file_exists(<code class="string">"log"<code class="plain">)&&!is_dir(<code class="string">"log"<code class="plain">))<code class="functions">mkdir<code class="plain">(<code class="string">"log"<code class="plain">,0777); 055 056 <code class="keyword">if<code class="plain">(!file_exists($<code class="functions">file<code class="plain">))file_put_contents($<code class="functions">file<code class="plain">,<code class="string">""<code class="plain">); 057 058 <code class="plain">$allowTime = 120;//防刷新时间 059 060 <code class="plain">$allowNum=10;//防刷新次数 061 062 <code class="plain">$uri=$_SERVER[<code class="string">'REQUEST_URI'<code class="plain">]; 063 064 <code class="plain">$checkip=md5($ip); 065 066 <code class="plain">$checkuri=md5($uri); 067 068 <code class="plain">$yesno=<code class="functions">true<code class="plain">; 069 070 <code class="plain">$ipdate=@<code class="functions">file<code class="plain">($<code class="functions">file<code class="plain">); 071 072 <code class="plain">foreach($ipdate as $k=>$<code class="functions">v<code class="plain">) 073 074 <code class="plain">{ $iptem=substr($<code class="functions">v<code class="plain">,0,32); 075 076 <code class="plain">$uritem=substr($<code class="functions">v<code class="plain">,32,32); 077 078 <code class="plain">$timetem=substr($<code class="functions">v<code class="plain">,64,10); 079 080 <code class="plain">$numtem=substr($<code class="functions">v<code class="plain">,74); 081 082 <code class="keyword">if<code class="plain">($<code class="functions">time

<code class="plain">-$timetem

083 084 <code class="keyword">if<code class="plain">($iptem!=$checkip)$str.=$<code class="functions">v<code class="plain">; 085 086 <code class="keyword">else<code class="plain">{ 087 088 <code class="plain">$yesno=<code class="functions">false<code class="plain">; 089 090 <code class="keyword">if<code class="plain">($uritem!=$checkuri)$str.=$iptem.$checkuri.$<code class="functions">time<code class="plain">.<code class="string">"1\r\n"<code class="plain">; 091 092

elseif($numtem<code class="string">"\r\n"<code class="plain">;

093 094 <code class="keyword">else 095 096 <code class="plain">{ 097 098 <code class="keyword">if<code class="plain">(!file_exists($fileforbid)){$addforbidarr=array($ip.<code class="string">"\r\n"<code class="plain">,<code class="functions">time<code class="plain">().<code class="string">"\r\n"<code class="plain">,1);file_put_contents($fileforbid,$addforbidarr);} 099 100 <code class="plain">file_put_contents(<code class="string">"log/forbided_ip.log"<code class="plain">,$ip.<code class="string">"--"<code class="plain">.<code class="functions">date<code class="plain">(<code class="string">"Y-m-d H:i:s"<code class="plain">,<code class="functions">time<code class="plain">()).<code class="string">"--"<code class="plain">.$uri.<code class="string">"\r\n"<code class="plain">,FILE_APPEND); 101 102 <code class="plain">$timepass=$timetem+$allowTime-$<code class="functions">time<code class="plain">; 103 104 <code class="plain">die(<code class="string">"Warning:"<code class="plain">.<code class="string">"<br>"<code class="plain">.<code class="string">"Sorry,you are forbided by refreshing frequently too much, Pls wait for "<code class="plain">.$timepass.<code class="string">" seconds to continue!"<code class="plain">); 105 106 <code class="plain">} 107 108 <code class="plain">} 109 110 <code class="plain">} 111 112 <code class="plain">} 113 114 <code class="keyword">if<code class="plain">($yesno) $str.=$checkip.$checkuri.$<code class="functions">time<code class="plain">.<code class="string">"1\r\n"<code class="plain">; 115 116 <code class="plain">file_put_contents($<code class="functions">file<code class="plain">,$str); 117 118 <code class="plain">?>