I had a multiserver zimbra 8.8.6 FOSS, recently I had this error when login : "SSL_write() failed (SSL:) (32: Broken pipe) while sending request to upstream" in log file /opt/zimbra/log/nginx.log on proxy server
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2021/05/06 09:25:03 [error] 12386#0: *1797 SSL_write() failed (SSL:) (32: Broken pipe) while sending request to upstream, client: 54.169.132.*, server: mail.domain, request: "POST //;jsessionid=1l2kptg3d0yu36oncd3zod5di HTTP/1.1", upstream: "https://ipmailbox:8443//;jsessionid=1l2kptg3d0yu36oncd3zod5di", host: "125.*.*.*"
I tried restart proxy but it not helping
pls hepl me to fix this bug. thanks