XPost: alt.windows7.general, alt.computer.workshop   
   From: G6JPG@255soft.uk   
      
   On 2025/12/25 2:29:9, VanguardLH wrote:   
   > "J. P. Gilliver"  wrote:   
   >    
   >> On 2025/12/24 17:4:43, VanguardLH wrote:   
   >>> "J. P. Gilliver"  wrote:   
   >>>   
   >>>> ... on some others I get the "please wait while we check you're a   
   >>>> human", or similar wording, from cloudflare, which then connects me   
   >>>> to those sites after a few seconds.   
   >>>   
   >>> Those, even if only a checkbox you click, are looking for behaviors   
   >>> (events) exhibited by humans visiting a web site versus bots or web   
   >>> crawlers trying to harvest content, or zombied hosts attempting DDOS   
   >>> (Distributed Denial of Service) attacks.  The site assaults their good   
   >>> visitors with anti-bot/DDOS/webcrawl filtering.     
   >>>   
   >>> Their CAPTCHA could be a simple checkbox you click, and they'll notice   
   >>> it takes you time to move your mouse to click on it versus a bot that   
   >>> instantly clicks on the checkbox.  Could be "match the tiles" on some   
   >>> common theme, like all tiles with bicycles, or you drag a tile to fill   
   >>> in a jigsaw picture, or you solve a math formula.  The site assaults you   
   >>> with interferrence trying to protect themself from bots, web crawlers,   
   >>> and DDOS (Distributed Denial of Service) attacks.  They're hoping to   
   >>> protect their site to keep it responsive to real visitors by   
   >>> interferring with accessing the site by bots, but it is interferrence to   
   >>> their good visitors, too.  In effect, it is a weak form of requiring all   
   >>> visitors to login before the site delivers its content.   
   >>   
   >> Sometimes they're a "pick the pictures" (often with an American word,   
   >> like "crosswalk"), sometimes they're just a tickbox (where yes, they can   
   >> track your mouse); sometimes, they don't require you to do _anything_,   
   >> they just "decide" you're human after a few seconds. Not sure how they   
   >> can use your action - or lack thereof! - to decide how human you are.   
   >    
   > A bot would likely immediately click on the checkbox instead of take   
   > time to recognize it was there to move the mouse over to it and click on   
   > the checkbox.  Unlikely you would happen to have the mouse pointer at   
   > the spot on the screen where the checkbox shows up to instantly click on   
   > it when it appeared.  There's probably a slew of heuristics to determine   
   > if events generated by a web page were human sourced or scripted.   
      
   You're missing the point - sometimes there _isn't_ such a checkbox that   
   has to be clicked.   
      
   --    
   J. P. Gilliver. UMRA: 1960/<1985 MB++G()ALIS-Ch++(p)Ar++T+H+Sh0!:`)DNAf   
       
   You know what the big secret about posh people is?   
   Most of them are lovely. - Richard Osman, RT 2016/7/9-15   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)