Magento 2.4.4 too big header error

I have a pre-installed Magento 2.4.4 that I migrated from my cPanel server to HestiaCP running version 1.6.5

I am always getting the error:
upstream sent too big header while reading response header from upstream

I already did the changes required Magento config, increased available PHP memory to 4GB but couldn’t fix the nginx buffer issue (as my search results suggested).

Any help would be appreciated.


You might need to increase / tweak the values a bit

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This indeed fixed the issue :grin:
I don’t know why it didn’t work before!
Thank you for your support.

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