XF 2.3 unfurl fails - Link name is "Captcha"?

H

hudriwudri

Member
Dear forum,

lately we are experiencing some (weird) issue(s) in our forum with unfurl.
Links to a long thread are tried to be unfurl'd - but without success because of "File is too large" (that´s what Tools > Test URL unfurling tells me).
That´s perfectly ok for me - but why is the URL name (sometimes) changed to "Captcha"?

While this link has just the URL as a link name, a link to a post in the same thread will be named "Captcha" and I can see the attached screen while the link is processed.

1747253290674.webp1747254410561.webp

  • the version of XenForo you are running # latest
  • a list of all add-ons you have installed # Does not matter I think but will compile a list if necessary. But we are behind Cloudflare and therefore using DP App for Cloudflare.
  • any outdated templates or phrases # None
  • confirmation that all add-ons and styles are compatible with the XenForo version you are running # Yes
  • whether the problem occurs in a specific browser, or more than one browser # all
  • whether the issue is experienced by all users or just some # all
  • browser add-ons in use, e.g. Adblock Plus, NoScript, etc. # does not matter
  • any changes which were made prior to the problem occurring # none that I´m aware of
  • details of any errors in the ACP server error log # none
  • steps to be taken to reproduce the problem and whether it can consistently be reproduced # The link posted is constantly affected by the issue. Other links (if affected) without a pattern - yet.
Although I can´t remember switching a feature on or off I´m quite sure I´m f*cked up somehow.

Anyone please shed some light on this. If you need any more informations I´ll happily provide them.

Cheers,
Chris
 
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If it works here then it might be a configuration/networking issue. You might try the "Test URL unfurling" tool in the control panel (admin.php?tools/test-url-unfurling) to see if it yields any useful error information.
 
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Jeremy P said:
If it works here then it might be a configuration/networking issue. You might try the "Test URL unfurling" tool in the control panel (admin.php?tools/test-url-unfurling) to see if it yields any useful error information.
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Already did that. Both URLs give me a
Code: 
"Could not fetch metadata from URL with error: File is too large."
I´m quite sure about that configuration issue but I´m not aware of any changes carried out on the server/forum that could to this.

Right now the forum is unfurling all but the following URLs from the test thread:

https://rollerplausch.com/threads/e...rollerplausch-einkaufsliste.7178/#post-116764 will be changed to "Captcha" after a page reload.
https://rollerplausch.com/threads/e...-all-in-one-rollerplausch-einkaufsliste.7178/ will look like https://rollerplausch.com/threads/e...-all-in-one-rollerplausch-einkaufsliste.7178/ even after a reload.
 
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That would indicate the request is being intercepted by Cloudflare. You may want to add WAF exceptions for requests originating from your server IP.
 
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