nginx udp

https://docs.nginx.com/nginx/admin-guide/load-balancer/tcp-udp-load-balancer/

https://hlmod.net/articles/proksirovanie-ljubogo-udp-tcp-trafika-cherez-nginx-proizvoditelnaja-alternativa-haproxy.25/

https://habr.com/ru/companies/nixys/articles/473578/

https://habr.com/ru/companies/tbank/articles/452336/

https://www.f5.com/company/blog/nginx/compiling-dynamic-modules-nginx-plus

https://www.f5.com/go/product/nginx-modules

https://stackoverflow.com/questions/40917372/udp-forwarding-with-nginx

 stream {
     server {
         listen 11016 udp;
         proxy_pass juniper_close_stream_backend;
         proxy_responses 0;
     }
 }

--with-stream=dynamic

./configure --with-cc-opt='-g -O2 
-fdebug-prefix-map=/build/nginx-DhOtPd/nginx-1.10.3=. 
-fstack-protector-strong -Wformat -Werror=format-security 
-Wdate-time -D_FORTIFY_SOURCE=2' --with-ld-opt='-Wl,-z,relro 
-Wl,-z,now'