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Status 411 Length Required during Browsing
Hi,
Posting this since I can't find any post regarding this issue.
I'm getting 411 Length Required issue on some websites when BitDefender Protection Shield is ON. I believe this is BitDefender issue specific.
Someone has similar issue but with no real solution: https://support.mozilla.org/en-US/questions/1344632
Thanks ahead.
Comments
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I have the same issue, all submit forms returns 411 errors when Bitdefender free protection is on.
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I have had the same issue, on two different sites, on both Chrome and Edge.
There are scattered examples across the net of other users experiencing the same problem, for example here:
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I'm kinda surprised that this isn't getting more attention. After Bitdefender broke yet another website (that makes 4 in total, including the Azure Portal and Syncfusion login pages) I am uninstalling Bitdefender. I'd happily come back if I heard of a fix.
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I just had a customer encountering a 411 error on a service that I manage. The cause was BitDefender and short-term resolution was to disable BitDefender.
Is there any guidance for websites about how to work around this issue so our customers can use our product and BitDefender without issues? Or when does BitDefender choose to intercept client-server communications and alter them in whatever way causes this problem?
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The issue seems to be caused by Network Protection, Scan SSL. It intercepts the communication with the server. It does not seem to occur with the business versions.0
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More websites affected. Some of these are several months old, and it seems to affecting a huge range of users. Again I'm a little surprised that BitDefender aren't jumping on this...
https://stackoverflow.com/questions/68470992/wordpress-why-i-get-411-length-required-error
https://forum.opnsense.org/index.php?topic=23872.0
https://wordpress.org/support/topic/fehler-411-length-required/
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