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vb.org Archive (https://vborg.vbsupport.ru/index.php)
-   vBulletin 3.5 Add-ons (https://vborg.vbsupport.ru/forumdisplay.php?f=113)
-   -   DNSBL/Open Proxy-Blocking (https://vborg.vbsupport.ru/showthread.php?t=96318)

eoc_Jason 12-19-2005 02:03 PM
If you switch the code to a shutdown query, then it shouldn't affect load as much.

Smiry Kin's 12-20-2005 02:20 AM
not sure if its just me. but when i install it, it messes up my index. and won't view it.. i disable - and perfect? :s any way to block any type of proxys?

XFSImperial 12-24-2005 03:42 AM
I experienced similar problems, completely crippled the index.php with a could not locate OPM_Deny message I believe it was. Index works fine with it disabled...

Smiry Kin's 12-24-2005 05:24 AM
maybe a offical release/fix for 3.5.2?

TMM-TT 01-02-2006 05:49 PM
I've been playing around with this code a bit and I'm not sure if this works, so I want to check with you before I say something about the code. If it works, maybe someone can help me with a product update? :)

First, I created a new table for the database (dumped with mysqlcc :)):

Code:

CREATE TABLE `proxycache` (
  `ip` varchar(15) NOT NULL default '',
  `dateline` int(11) NOT NULL default '0',
  `listed` int(11) NOT NULL default '0'
) ENGINE=HEAP DEFAULT CHARSET=latin1 COMMENT='proxycache';

And the code, for caching resolved hosts (this is a replacement for my first code actually):

PHP Code:

// #######################################################
// DNSBL/OPM Proxy Blocker for VB 3.5.2
// Based on an old script added to global.php
// Version 1.0.1 - Written by Tomas Tornevall (TMM-TT)

$timestamp = time();
$cleanafter = 21600;
$timediff = $timestamp - $cleanafter;

// Clean up old entries
$db->query_write("DELETE FROM " . TABLE_PREFIX . "proxycache WHERE dateline < $timediff");


// OPM Databases to use
$opmlist = array(
        "opm.blitzed.org",
        "opm.tornevall.org",
        "dnsbl.njabl.org"
        );

// Pick the data we need
$OPMremote = $_SERVER['REMOTE_ADDR'];

// Make the data reversed for DNSBL
$OPMReverseRemote = explode(".", $OPMremote);

$reverseip = "$OPMReverseRemote[3].$OPMReverseRemote[2].$OPMReverseRemote[1].$OPMReverseRemote[0]";

$proxydb = $db->query_first("SELECT ip,listed FROM " . TABLE_PREFIX . "proxycache WHERE ip = '$OPMremote' LIMIT 1");

$proxyexist = $proxydb['ip'];
$proxylisted = $proxydb['listed'];

// If nothing has been added, act normal
if (!$proxyexist) {

foreach ($opmlist as $OPM) {
  $OPMResolved = gethostbyname($reverseip . "." . $OPM);
  $OPMAnswer =  explode(".", $OPMResolved);
  // Block all hosts that has been resolved to 127.0.0.xxx
  if ($OPMAnswer[0] == "127") {$opmfound = 1;}
  }

}


// Manually added OPM's goes here, just in case of problems (You might want to let someone in?)
// Dont forget the $proxylisted = 0 here
//if ($OPMremote == "whatever.you.want.to.protect.here") {$OPMfound = 0;$proxylisted = 0;}

if ($opmfound == 1) {
     $db->query_write("INSERT INTO " . TABLE_PREFIX . "proxycache (ip, listed, dateline) VALUES ('$OPMremote', 1, $timestamp)");
     $proxylisted = 1;
     } else {
     // 127.* was'nt found, so this one is'nt listed. Also check if it was found in the db. If not - add
     if (!$proxyexist) {$db->query_write("INSERT INTO " . TABLE_PREFIX . "proxycache (ip, listed, dateline) VALUES ('$OPMremote', 0, $timestamp)");}
  }

// If found in db, send error
if ($proxylisted == 1) {
          eval(standard_error(fetch_error('OPM_Deny')));
} 

Any comments? Can this work? :)




Edit/050103: Just found a human-bug, that was fixed from now :)
$query_write should be $db->query_write, very sorry for that.

DementedMindz 01-13-2006 01:49 AM
seems like these are all using Front-End Error Messages if im correct... and this is no longer in vbulletin 3.5.3 can someone update these?

thedvs 01-19-2006 02:51 PM
works fine in 3.5.3 for me

Kacela 03-15-2006 12:11 PM
I would love for this to come back to life. I had been using it, and it was wonderful! The only drawback was from the "false positives", and sadly, I had to disable it - if someone could step up and code in a conditional statement that checks against a admin-entered .txt or .xml whitelist, put your PayPal link in. and I'll send some "thanks" your way... ;)

pantec 03-18-2006 04:32 PM
I am having problems changing the OPM Phrase that appears to people...

Any IDeas?

TMM-TT 04-19-2006 11:07 PM
I've just uploaded a new version...


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