ip.cgi and OPM FAQ - English

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  • Tornevall
    Developer Devil
    • Oct 2003
    • 22259
    • 🏛️ Owner

    #1

    ip.cgi and OPM FAQ - English

    http://www.tornevall.net/cgi-bin/ip.cgi and http://opm.tornevall.org FAQ

    På Svenska

    What is this?

    If you are redirected from one of the top urls, you hopefully get your answers here.

    The page is a combination of a "What is my ip?"-lookup and a open proxy blacklist control. In combination with a plugin written for vBulletin, people are redirected from different forums this page, where they get information on where they are blacklisted.


    Why is this?

    Because of too many questions like "Why am I blacklisted" and "Remove me from your blacklist".


    What plugin?

    The plugin for vBulletin can be found here (support site) or here (the official release).
    Support can be relatively easy implemented to other webprojects too, but we are currently only supporting vBulletin. Just contact us and ask for it.


    I'm blacklisted - What can I do?

    Most of the users arriving to our support-site is blacklisted due to other peoples mistake (or abusive behaviour) which is caused by dynamic ip-addresses. A dynamic ip is shared with many people and some internet providers have services that change their customers addresses more than others. Sometimes customers can't behave and uses their addresses by spamming others with mail or just abusing them in different ways. Some of them gets blacklisted. After a while, they switch ip, and another customer gets the same IP. When they are trying to go to a webpage with this blacklist protection activated, they are automatically banned.

    Actually, the part with spam/abuse, there's nothing you can do about, but since this is a known issue, most of the blacklists have forms or instructions to remove the blacklisted host from their lists. This is a good thing to do, because the blacklists keeps fresh that way and older users have their chance to use a clean ip. The sites we are checking do have removal instructions on their sites. If you see that you are blacklisted there, contact them, because we don't support such removals.

    Just remember, if you're still banned after removal from the sites below, the site you are banned from probably have you banned in other ways or via another RBL not listed here.


    Removal instructions for abuseat.org
    Removal instructions for njabl.org
    Removal instructions for ahbl.org
    Removal instructions for efnet.org (Mail form)
    Removal instructions for sorbs.net (Support system)

    If tornevall.org says you are blacklisted, then you can contact us by mail (see the bottom at this page) or via this forum.


    What is opm.tornevall.org?

    It's yet another RBL.
    See http://opm.tornevall.org/ to read all about it. Including bitmasks used.


    How do I use an OPM on my own site?

    This is a standard lookup, in PHP:

    PHP Code:
    $OPM = "opm.tornevall.org";        // Change this to whatever you want. Or use arrays (arrays = rewrite this code a bit)
    
    $OPMremote = $_SERVER['REMOTE_ADDR'];
    $OPMReverseRemote = explode(".", $OPMremote);
    $reverseip = "$OPMReverseRemote[3].$OPMReverseRemote[2].$OPMReverseRemote[1].$OPMReverseRemote[0]";
    $OPMResolved = gethostbyname($reverseip . "." . $OPM);
    $OPMAnswer =  explode(".", $OPMResolved);
    // If we get 127.0.0.xxx as an answer, this is something - anything else should be ignored...
    if ($OPMAnswer[0] == "127") {
            // Your actions
            } 
    
    After this, to make the script reliable, you can also check the bitmaskvalues of the lookup. As the code says, you can use arrays or equal, but then, you have to rewrite this code. But that's not our problem.

    Good luck!


    How can I contact you?

    You can also sign up at the forum if you want to ask anything else about this or just chat with us.
    IRC is also available. The server to connect to is at irc.tornevall.net, channel #tornevall.
    Last edited by Tornevall; 2006-09-25, 15:28.
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