[Hummingbird] 404 requests for the file /https:/hb.wpmucdn.com/

hello,
everyday I receive this kind of mail :
We've just locked out the host 147.135.60.157 from http://www.*** due to more than 10 404 requests for the file /https:disappointed:hb.wpmucdn.com/www.****/01006aac-1579-4675-8a68-a261fa67c0ca.js.

this file belong to the hummingbird cache,.. how someone access it directly ?
does the "normal" visitor are banned because they visite the website ?

I already grant you access for this site. thank for your investigation

  • Nahid
    • Tech Support

    Hey there Julien Ferla !
    Hope you are having a great day!

    I'm sorry to hear about the issue that you encountered. It seems these optimized files by Hummingbird's Asset Optimization feature were cached even when Hummingbird dynamically updated the files due to file changes. When visitors visited the site, the browser displayed its cached version. But as Hummingbird updated the files, the cached files were no longer there physically which triggered 404 errors in Defender.

    As a temporary solution, I have cleared the Hummingbird Page Cache. Moreover, I have set the "File Change Detection" setting to "Automatic", so that whenever it detects a file change, the cache is cleared automatically. Here's a screenshot for reference:

    For a permanent solution, we already have a report escalated to our developers regarding this. They are looking at what would be the best approach to deal with this in a longer timespan. We'll keep you updated here once we have any updates from our developers. We really appreciate your patience and consideration regarding this. Thanks!

    Kind regards,
    Nahid

  • Nahid
    • Tech Support

    Hey there Julien Ferla !
    Hope you are doing well today!

    I'm terribly sorry to hear that you're still experiencing this issue. We've heard back from the Defender developers, a permanent fix for this is coming up very soon in the upcoming updates.

    Please keep an eye on WPMU DEV Dashboard for any plugin update notification, always backup before updating, or let Automate do that for you! Also, we'll keep you posted here about any updates regarding this issue. We really appreciate all your patience and consideration regarding this. Thank you!

    Kind regards,
    Nahid

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