Concerning captchas

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Concerning captchas

Postby joepal » Sun Oct 23, 2016 8:04 am

Right now a lot of people are reporting having to answer a captcha due to "too many login attempts".

This happens now and then, and I haven't figured out exactly why. However, my current reasoning is that this is not due to a brute force against your account specifically. It is rather due to a peak in spam bot login attempts in general. Since there is a caching proxy in front of the forums, the forum software thinks all these login attempts come from the same IP adress (the address of the proxy) and thus starts showing a captcha for everyone who comes from that IP address (which is literally everyone since everyone goes through the proxy).

It's inconvenient, but I'm not keen on disabling the anti-spam measures we have.

Usually when this happens, it subsides on its own after a week or so.
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Re: Concerning captchas

Postby loki1950 » Sun Oct 23, 2016 2:40 pm

Remember the last time and glad that the captchas just a backward word that my browser caches so it's not that much of a bother ;) Think you have the reason down and the anti spam measures definitely should remain in effect.

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Re: Concerning captchas

Postby wolgade » Sun Oct 23, 2016 3:00 pm

Thanks for the info. I had this issue a while back and now I'm having it again. Anyway, yes it sucks, but it would suck much more to have this forum filled up with crap.
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Re: Concerning captchas

Postby brkurt » Mon Oct 24, 2016 3:03 pm

wolgade wrote:Thanks for the info. I had this issue a while back and now I'm having it again. Anyway, yes it sucks, but it would suck much more to have this forum filled up with crap.


How about a question like: "What is the ground speed of an African swallow carrying a coconut?" :D
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Re: Concerning captchas

Postby RobBaer » Wed Nov 16, 2016 8:05 am

Joepal seems to have fixed this now. Feedback to the contrary?
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Re: Concerning captchas

Postby loki1950 » Wed Nov 16, 2016 4:15 pm

RobBaer wrote:Joepal seems to have fixed this now. Feedback to the contrary?


As he has stated before it appears to clear up randomly with some background action most likely a buffer or cache being flushed.

Enjoy the Choice :)
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Re: Concerning captchas

Postby RobBaer » Thu Nov 17, 2016 7:51 am

loki1950 wrote:
RobBaer wrote:Joepal seems to have fixed this now. Feedback to the contrary?


As he has stated before it appears to clear up randomly with some background action most likely a buffer or cache being flushed.

Enjoy the Choice :)


Ahhh ... but this time we are talking about Joepal forcefully taking matters into his own hands, and the feedback request was to confirm any issues/failures since it solved things for Aranuvir and myself, Joepal never sees the issue, and the success of his fix to the rest of the community are what's at issue! ;)

[The post here came because I felt guilty for closing the issue on the bugtracker without even polling the rest of the community for status :oops: It can be re-opened if there are still issues]

http://bugtracker.makehumancommunity.or ... 074#note-3
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Re: Concerning captchas

Postby Aranuvir » Thu Nov 17, 2016 8:27 am

Leave it closed! It still works correctly to me. (Though, I'm not sure, if individual case reports meet the criteria of a proof. :D )
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Re: Concerning captchas

Postby joepal » Thu Nov 17, 2016 9:33 am

Aranuvir wrote:Leave it closed! It still works correctly to me. (Though, I'm not sure, if individual case reports meet the criteria of a proof. :D )


I guess that's what Karl Popper was talking about :)

https://en.wikipedia.org/wiki/Falsifiability

(yeah, sorry, I'm nerdy... I'm back at the university for a while again)
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Re: Concerning captchas

Postby RobBaer » Fri Nov 18, 2016 8:12 am

So, seems university types are all alike, because I cover ol' Karl Popper in Research Design class :D The claim is that is you can falsify by providing a single counter example, but you can never prove anything true.
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