FlyerTalk Forums - View Single Post - ExpertFlyer Help Desk, Information and Updates Thread
Old Apr 23, 2018 | 10:26 am
  #1684  
ExpertFlyer Voice
Company Representative - ExpertFlyer
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Join Date: Jan 2005
Posts: 2,929
Originally Posted by seaskybound
I use VPNs...
We're sorry you're having problems, however a few things:

- The system that would show Captcha's sits in front of the website, it isn't part of it, so it has no idea if you are a free or paid member, logged in or not. It is designed to identify non-standard browsers or browsers that don't have JavaScript loaded or fast page loads to detect non-normal behavior to prevent data mining (yes, people have tried).

- This system has been in place for a couple years, and nothing has changed with it recently.

- Certain VPN providers use known abusive data centers as their VPN exit points so that alone will trigger a Captcha (again, as has been the case for a couple years).

- A large amount of quick page loads (of any page) may trigger a captcha.

- When you do solve a Captcha, it should be good for at least 15 minutes. If you get a captcha more often than that, there is an issue with your browser or an add-on (as noted below).

- There is no such thing as a "double captcha". The issue you are describing is caused by one of your browser plugins blocking the cookies and/or JavaScript from our domain which will cause the captchas to happen more often.

- We know that uBlock Origin pushed an update that incorrectly is blocking more of our Javascript beyond ads, so please white-list "expertflyer.com" in uBlock or similar add-ons.

- ....... Plus also recently pushed an update that now has an "Block additional tracking" option. If enabled try turning that off. (We know that ....... normally does not interfere with ExpertFlyer).

- Some browser add-ons change the user-agent string of the browser, making it non-standard. This will also trigger the captcha. This should be turned off for ExpertFlyer.com (again, this has been the case for years).

- If you still need help after taking the above steps, please email us directly at [email protected] with your account information along with the exact trace string from the bottom of the captcha page, your IP address, your browsers user-agent string (What's my user agent?) and a list of browser add-ons you are using.

Last edited by ExpertFlyer Voice; Apr 23, 2018 at 11:25 am
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