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Old 2018-11-02, 10:59   #1
pinhodecarlos
 
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"Carlos Pinho"
Oct 2011
Milton Keynes, UK

27×37 Posts
Default nb of forum guest too high!

Anyone notice the number of guests visiting the forum? And it is increasing...
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Old 2018-11-02, 13:30   #2
Uncwilly
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Aug 2003
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It has been noted by the mods. They are coming from a particular geographic location.
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Old 2018-11-02, 13:40   #3
pinhodecarlos
 
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"Carlos Pinho"
Oct 2011
Milton Keynes, UK

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Quote:
Originally Posted by Uncwilly View Post
It has been noted by the mods. They are coming from a particular geographic location.
Thank you.
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Old 2018-11-02, 18:10   #4
VictordeHolland
 
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"Victor de Hollander"
Aug 2011
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Are they bots?
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Old 2018-11-02, 18:22   #5
irowiki
 
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Yes. I have a few dead forums from years back and there's always 100-200 bots roaming around.
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Old 2018-11-04, 14:17   #6
paulunderwood
 
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Sep 2002
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2092 and rising! Is this some sort of DDOS attack?
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Old 2018-11-05, 17:01   #7
Stargate38
 
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"Daniel Jackson"
May 2011
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Back down to 29 at the moment.
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Old 2018-11-08, 20:03   #8
Brian-E
 
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"Brian"
Jul 2007
The Netherlands

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One thing this forum administration seems to have done particularly well is that so few spammers actually manage to register accounts here. That would cause a lot more headaches for moderators and administrators, because even if their spam postings don't make it onto the board due to the requirement of posting approval, that approval (or rather disapproval) still costs time.

I'm wondering what "Captcha" techniques are so effective here. I remember there is that question "what is 2^32-1?" (or something along those lines). I know from bitter experience that spambots get around the standard Captchas quite easily to get their accounts registered.
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Old 2018-11-08, 23:09   #9
retina
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Jun 2006
My evil lair

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Quote:
Originally Posted by Brian-E View Post
I'm wondering what "Captcha" techniques are so effective here. I remember there is that question "what is 2^32-1?" (or something along those lines).
Well, let's see ...

https://mersenneforum.org/register.php?do=register
  1. Please enter the six letters or digits that appear in the image opposite.
  2. What is 2^32-1 in decimal notation?
  3. What year did Bernard Hinault win his first Vuelta a España?
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