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PhpBb2: Country registration bans
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PostPosted: Sat Aug 14, 2010 5:41 pm    Post subject: PhpBb2: Country registration bans  Reply with quote

You can now set a ban by country code in the admin panel under:

User/ban control.

Note that this form of banning only effects registration and will only work if the IP code is recognised by our geoip location system.
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PostPosted: Fri Aug 20, 2010 11:50 am    Post subject: Reply with quote

IANA database - Full list of Country-Codes

The ICANN website refer to that IANA database.
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PostPosted: Fri Aug 20, 2010 11:55 am    Post subject: Reply with quote

Do you think it is working?

I am not sure, technically it seems to be in tests I made, but spammers may use proxies when registering and may beat the process, or maybe there is a bug  
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PostPosted: Fri Aug 20, 2010 12:10 pm    Post subject: Reply with quote

I don't know because my admins didn't want it implemented, yet appreciate the fact that the option is there to implement    I honestly don't know why they want to wait as we've never had any genuine members from China, yet loads of human spammers from there. I had another spammer from China this week.

I'm nearly finished implementing the modactions portal, so then i'll have time to compile stats of human spammers from China from using the log actions and hopefully get my admins approval then.

Being draconian is the last resort but sometimes the only way, like in my case.

I'm hoping we'll ban CN next week, then if a spammer from China hasn't registered after a week or two i would consider it to be working. Certainly after a month i would be 100% sure because there's no way we've ever gone that long without a human spammer from CN.

Edit: The IP addresses listed for China doesn't cover all the IP ranges because i get spammers from the 59.58.xx.xxx range and those are chinese according to whois, yet are not in the IANA database!
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PostPosted: Fri Aug 20, 2010 12:28 pm    Post subject: Reply with quote

Whichever system we come up with to ban nations etc, we would still need to have human backup to supervise the system.  It takes what? 30 seconds? to sort a spammer out.  Yes, they are pains in the backside, but a good moderation team soon gets it sorted.
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PostPosted: Fri Aug 20, 2010 12:34 pm    Post subject: Reply with quote

Of course, but if banning 2-3 countries cuts the human spamming by 90-95% surely it's worth doing when those countries contribute 0% of genuine members anyway.

It's not down to being too lazy to spend a few seconds banning spammers, the problem is that the forum can't be monitored 24/7, but will come across more professional if human spammers are almost stamped out automatically regardless of the lack of 24/7 monitoring.
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PostPosted: Fri Aug 20, 2010 12:34 pm    Post subject: Reply with quote

But as Myles points out, there is practically never a valid registration from China.

Bravo, you know my position on this, it is almost always yours, e.g. a good moderation team beats unreliably techy methods, but in the case I think there is a sound reason for tech.
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PostPosted: Mon Nov 15, 2010 11:07 pm    Post subject: Reply with quote

myff admin wrote:
Do you think it is working?

I am not sure, technically it seems to be in tests I made, but spammers may use proxies when registering and may beat the process, or maybe there is a bug  


We've banned China and Vietnam today as a last resort so i'll be able to give feedback on this in a month or two.
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PostPosted: Fri Nov 26, 2010 3:39 pm    Post subject: Reply with quote

This IP address got through >> http://whois.domaintools.com/222.77.248.184
I haven't seen it on any databases for CN so i'll ban the range 222.77.0.0-222.77.255.255 after i go through the 'Register' actions on the 'Logs Actions' to make sure that IP range isn't used by any of our members outside China.

I think what would compliment the banning control would be if the 'Choose sorting method' feature in the 'Logs Actions' included IP addresses, that way an admin can view actions from an IP starting with say 222.77 to see if any genuine members have ever created an action from within that IP range so the admin would know then not to ban the whole IP range.
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PostPosted: Fri Nov 26, 2010 3:47 pm    Post subject: Reply with quote

^^^

Why I favour the human approach  

No matter how clever the programmer and how tightly knit the code there will always be exceptions.
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PostPosted: Fri Nov 26, 2010 4:08 pm    Post subject: Reply with quote

No need to be smug Wink , the system still works for the majority of IP ranges in China, there's only the odd stray ranges because of the lack of standardisation at the outset of the internet. If it prevents 90+% of IP's from China it's working to a high enough standard to implement in my opinion.
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PostPosted: Tue Feb 15, 2011 11:46 pm    Post subject: Reply with quote

Just to give feedback...

I banned CN and VN on 15th November.
In the first few weeks i was still getting about 1 human spammer per every 1.5 weeks from China which was a big improvement. I banned their inetnum ranges each time a new human spammer registered then i didn't get another human spammer for about another month, which was also from China, then i banned that inetnum range and this seems to have ceased all human spammers since.

So basically i've banned;
CN
VN
219.154.0.0-219.157.255.255
112.0.0.0-112.255.255.255
59.56.0.0-59.61.255.255
222.76.0.0-222.79.255.255
175.0.0.0-175.255.255.255

I haven't had any complaints from members, who login from mainly UK, Ireland, Italy, Eastern Europe, Australia, Central and North America.

Still needs about another month or two of monitoring, but it seems human spammers have been eradicated from China. If their is anymore i'll post the range.
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PostPosted: Wed Feb 16, 2011 4:43 am    Post subject: Reply with quote

With cn,ru,ua,vn on the go I am barring over 100 per hour on the support forum  

Again it highlights that the Country Ban is an icing on the cake extra, the vast majority of attempted spamming on our phpbb3 forums is killed by other measures.
Not seen a "vn" here BTW.

I'll repeat for emphasis over 100 per hour, e.g. typically 2 per minute.

I really feel for people on phpbb3 where we leave things at the mercy of the phpbb3 developers who don't seem to have the handle on spam we do, forum admins should not have to fight spam.

I really don't want to get in the game of "forking" phpbb3 at this stage, but I do wonder if we need to make an exception here, perhaps simply making a central registry of spamming ip addresses and making all systems stop those IP addresses from registration attempts... go a bit nanny state  
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PostPosted: Wed Feb 16, 2011 4:49 am    Post subject: Reply with quote

To conserve database space and speed I have flipped the system so that Country bans are more of a last line of defense.

e.g. if the spammer has failed on other grounds, then reject them on those grounds first. Otherwise logs are just going to grow exponentially.
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PostPosted: Wed Feb 16, 2011 5:00 am    Post subject: Reply with quote

myff admin wrote:
I really don't want to get in the game of "forking" phpbb3 at this stage, but I do wonder if we need to make an exception here, perhaps simply making a central registry of spamming ip addresses and making all systems stop those IP addresses from registration attempts... go a bit nanny state  


I think phpbb3 has been a real let down (always seems to be the third incarnation of everything that goes wrong eh, CoD3, HOI3, phpbb3...) so I do think if you have a rabbit in the hat it would be better all round if you pulled it out.  I think the pro's do outweigh the cons in this case.


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