typewriter_t·10 ปีที่แล้ว·discussI can't reproduce it. I have nginx proxy_pass'ing to two upstreams and configured with proxy_next_upstream timeout;One of the upstreams is running iptables -A OUTPUT -p tcp --sport 8080 --tcp-flags PSH PSH -j DROPCURLing the nginx location configured for proxy_pass'ing returns 504 GATEWAY_TIMEOUT on half of the requests, as expected.
One of the upstreams is running iptables -A OUTPUT -p tcp --sport 8080 --tcp-flags PSH PSH -j DROP
CURLing the nginx location configured for proxy_pass'ing returns 504 GATEWAY_TIMEOUT on half of the requests, as expected.