SSL_write() failed (55: No buffer space available) while proxying upgraded connection

johan.belin nginx-forum at
Wed Nov 3 21:17:11 UTC 2021

Hi Sergey, 

Thanks for your reply!

Unfortunately that is exactly the type of knowledge we lack!
Any idea where we can find someone that can help us with that?
MacMini M1 macOS BigSur 11.6

Posted at Nginx Forum:,292750,292753#msg-292753

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