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-   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 10-12-2005 02:12 PM
I think one major thing that needs to be addressed is a low "timeout", incase a RBL becomes un-responsive. I've been so busy I haven't had a chance to look into that yet, but I know there is a PHP variable somewhere. Also there might be a better method than using the gethostbyname function, not sure.

NuclioN 10-12-2005 09:25 PM
We've installed this as a product now and hope it's working. Are there things to do after the install such as update a blacklist somewhere?

ImportPassion 10-12-2005 09:47 PM
i had to disable this. It was causing major lag on my site.

webspider 10-12-2005 09:59 PM
I was not having a lag at all but I did find a high ratio of false positives.

C_P 10-13-2005 01:20 AM
Quote:
Originally Posted by webspider
I was not having a lag at all but I did find a high ratio of false positives.
DITTO here.

eoc_Jason 10-13-2005 02:46 PM
Which list were the false positives coming from? I usualy found most were coming from CBL, which I disabled that code in mine. There were IPs that were last checked / listed many, many months ago. Which you would *think* would get de-listed over time, but they wern't.

Perhaps the actual checking code should be a shutdown query, as to not lag the end-user. Then the regular check against the session table can be where it currently is.

ImportPassion 10-13-2005 02:52 PM
is there a way to just do this for new users registering?

C_P 10-13-2005 03:44 PM
Quote:
Originally Posted by eoc_Jason
Which list were the false positives coming from? I usualy found most were coming from CBL, which I disabled that code in mine. There were IPs that were last checked / listed many, many months ago. Which you would *think* would get de-listed over time, but they wern't.

Perhaps the actual checking code should be a shutdown query, as to not lag the end-user. Then the regular check against the session table can be where it currently is.
eoc_Jason I used your plug in and not the one in first thread.
It rejected connections from "GoBigWest" and "Dialup.cc". Both ISPs use Level3 numbers.

Rejected IPs were

IP Address: 4.250.177.131
Hostname: dialup-4.250.177.131.Dial1.Weehawken1.Level3.net

IP Address: 4.250.138.133
Hostname: dialup-4.250.138.133.Dial1.Weehawken1.Level3.net

The Spamhaus website said that the IP's weren't listed, but other whois sites were able to correctly identify them as Level3.

skydancer 10-16-2005 11:07 PM
Quote:
Originally Posted by 7thgenCivic.Com
is there a way to just do this for new users registering?
Yes, just edit the plugin and add at the top:

if (THIS_SCRIPT=='register') {

and at the bottom:

}

cnutter 10-17-2005 01:27 AM
Quote:
Originally Posted by skydancer
Yes, just edit the plugin and add at the top:

if (THIS_SCRIPT=='register') {

and at the bottom:

}

Skydance so it should look like this if we only one it to check users as they register on a site?
Code:
if (THIS_SCRIPT=='register') {

if ($vbulletin->session->vars['OPM'] == 0) {
    OPM_proxy_check(IPADDRESS);
}

if ($vbulletin->session->vars['OPM'] == 2) {
    // parse some global templates
    eval('$gobutton = "' . fetch_template('gobutton') . '";');
    eval('$spacer_open = "' . fetch_template('spacer_open') . '";');
    eval('$spacer_close = "' . fetch_template('spacer_close') . '";');
    eval('$headinclude = "' . fetch_template('headinclude') . '";');
    eval('$header = "' . fetch_template('header') . '";');
    eval('$footer = "' . fetch_template('footer') . '";');

    eval(standard_error(fetch_error('OPM_Deny',IPADDRESS)));
}


function OPM_proxy_check($OPMremote) {
    global $vbulletin, $db;

    $cleaned['sessionhash'] = "'" . $db->escape_string($vbulletin->session->vars['dbsessionhash']) . "'";

    $OPMlist = array(
        "xbl.spamhaus.org" => array(4,5,6)
        );


    $OPMreverse = implode('.',array_reverse(explode('.',$OPMremote)));

    foreach ($OPMlist as $OPMhost => $OPMcodes) {
        $OPMresult = explode('.',gethostbyname($OPMreverse.".".$OPMhost));

        if($OPMresult[0] = 127 && in_array($OPMresult[3],$OPMcodes)) {
            $db->query_write("
                UPDATE " . TABLE_PREFIX . "session
                SET OPM = 2
                WHERE " . TABLE_PREFIX . "sessionhash = $cleaned[sessionhash]
                LIMIT 1
            ");
            $vbulletin->session->vars['OPM'] = 2;
            break;
        }
    }

    if ($vbulletin->session->vars['OPM'] == 0) {
        // This IP is okay for this session
        $db->query_write("
            UPDATE " . TABLE_PREFIX . "session
            SET OPM = 1
            WHERE " . TABLE_PREFIX . "sessionhash = $cleaned[sessionhash]
            LIMIT 1
        ");
    }

    return;
}
}


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