vb.org Archive - DNSBL/Open Proxy-Blocking

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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)

Or... Just use it for the test...

PHP Code:


		
			
if (THIS_SCRIPT=='register') { 

    OPM_proxy_check(IPADDRESS); 

}

I'm just curious - has anyone tested opm.tornevall.org-resolver, and got false positives?

Hey check this out today... which is better?

https://vborg.vbsupport.ru/showthrea...threadid=98705

Different methodology with his. He's basically doing a check for guests only, every time when they post.

There's a million different ways you can implement a DNSBL for a forum, it all just depends on what you are trying to prevent.

im trying to prevent any ba****d spammer trouble maker :)

Quote:

Originally Posted by skydancer

Yes, just edit the plugin and add at the top:

if (THIS_SCRIPT=='register') {

and at the bottom:

}

FYI -- This seems to have buggered up ANYONE from joining my forum. I have gotten at least 50 email in the past 3 days from people who say they just get a blank page when they try to join the site. This is was confirmed by myself when I tried to create a test account and couldnt. After I removed skydancers code change everything went back to being fine. Though I am getting around 15 to 20 of my normal users reporting blacklist issues. So I have hence uninstalled this plugin. Thanx guys but the high number of false postives and lack or whitelist option precluded me from using this any longer...

how do you know which ip is blocked or banned from the admin control panel? I been looking around ..sorry I'm a noobie . :)

There is no recording of that data (in any of the code that I've seen posted). Though you could probably output the IP & time to one of the various logs if you wanted to.

Quote:

Originally Posted by eoc_Jason

There is no recording of that data (in any of the code that I've seen posted). Though you could probably output the IP & time to one of the various logs if you wanted to.

Question: I installed this plugin over the weekend (eoc_Jason's version) & a friend of mine told me to test it with http://anonymouse.org/ and it went right through. later that same day a friend of mine who uses T-Mobile service on his PDA said he get a message about blacklisted proxy when he tried to log in. So my question is, who updates these lists & how does one get an IP added?

http://anonymouse.org/ only uses 2 IP Addresses:
82.96.100.100
85.195.119.22

Each list is maintained by a separate group of people. Most are automatic testing scripts that look for certain ports and test to see if they can connect properly. I've noticed that the CBL list seems to generate a lot of false positives, and also contains a lot of stale data. (i.e. I had one IP that was last checked over 6 months ago and it was listed!)

Sites like the one you posted above is not considered an exploited proxy since they are offering the service. If you don't want users using that service than simply block their IPs as usual.

I modified my script slightly to help people that were experiencing errors. Basically I changed the line in the code to add the IP address as such:

PHP Code:


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

Then modified my phrase as such:

Code:

<p><b>Sorry, but you do not have access to this forum!</b>

<p>The reason is you are trying to access this site via a <b>Blacklisted Open Proxy</b>! If you are using a dynamic IP you probably just got dumped with one that a person abused before you.

<p>Fear not! You can find out more info about where your IP is blacklised (and removal) via the <a href="http://www.spamhaus.org/query/bl?ip={1}">Spamhaus Website</a>.

<p>The IP in question is: <b>{1}</b>

<p><b>DO NOT</b> contact us about being removed, <u>we do not control the lists</u>! Please follow the link above, once you go to the site that has your IP listed, removal is usually a 1-click process. After submitting your IP for removal, the DNS is usually refreshed within the hour.

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