nginx反向代理中表单提交502

nginx的参数调整

nginx.conf

server_names_hash_bucket_size 256;

client_header_buffer_size 256k;

large_client_header_buffers 4 256k;

client_max_body_size 50m;

sendfile on;

tcp_nopush     on;

keepalive_timeout 200;

tcp_nodelay on;

client_body_buffer_size        256k;

client_header_timeout     3m;

client_body_timeout 3m;

send_timeout             3m;

server_tokens off;

fastcgi_connect_timeout 300;

fastcgi_send_timeout 300;

fastcgi_read_timeout 300;

fastcgi_buffer_size 128k;

fastcgi_buffers 4 128k;

fastcgi_busy_buffers_size 256k;

fastcgi_temp_file_write_size 256k;

proxy_connect_timeout    300;

proxy_read_timeout       300;

proxy_send_timeout       300;

proxy_buffer_size        128k;

proxy_buffers            4 128k;

proxy_busy_buffers_size 256k;

proxy_temp_file_write_size 256k;

vhost

client_max_body_size 40m;

client_body_buffer_size 256k;

proxy_connect_timeout 900;

proxy_send_timeout 900;

proxy_read_timeout 900;

proxy_buffer_size 256k;

proxy_buffers 4 256k;

proxy_busy_buffers_size 256k;

proxy_temp_file_write_size 256k;