Introduction to Nginx: The Powerful Open-Source Web Server

??? ?? ?? post ????? ???? Nginx ??????? ?????? ?????.

????? Nginx ??????? large-scale websites, content providers, cloud service provider ?? ??? use ??? powerful web server ????. ??? Light weight ? ???? open source. Reverse proxy ????, load balancer ????, security layer ???? ?????? ???? Nginx use ????? ???????. ????? HTTP caching ????? use ????? ???????. Traditional web server ?????? ?? ??? ????? ?????? ??. ????? configure ??????? ????.

??? ??????? ???? web server ???? ??????? ?????? ?????.

????? web server ???? ??????? internet or intranet ???? client ?? web pages serve ?????? use ??? computer ???? ?? run ??? software ????. ??? client ????? ?? incoming request ??? listen ???? ? request ??? ????? response ?????. ?? response ?? HTML page ????, image ????, video ???? ?? ??? ???? file ???? ????? ???????.

??? ???? ???? Nginx ??????? ?????? ?????.

Nginx ??????? client ?? server ?? ??? ??????????? ?????? ???? ???? client ???? ?? request, server ??? ????? ????? process ????? ??????? web server ????. ?? architecture? ?? ???? ??? proxy server ???? ???????? use ????? ???????.

??? proxy server ?? ????? ????? ????. Proxy server ?????? ???? ????? ???????.

1. Forward Proxy

2. Reverse Proxy

Forward Proxy ???? ??? ?????? client ?? internet ?? ???. Internet ??? ????? resource ???? access ????? client ??? request ?? ??????? ????? ?? forward proxy ???. ?? ????? proxy ?? ?? request ?? ????? client ????????.

Corporate network ???? ?? proxy ?? ????? use ?????. ?????? internet access ?? monitor and control ????? ???????. ????? regional restrictions bypass ??????? anonymously content access ??????? ??? use ????? ???????.

Reverse Proxy ????? ?????? ???? opposite ??. Reverse Proxy ?? ???????? client and server ?? ???. Client ???? ?? request ?? reverse proxy ??? ?????? ??? intercept ???? ???? server ??? ??? ?? ???? reverse proxy ????? ??????. ????? server ????? ?? response ??????? reverse proxy ?? ????.

Summary ???? ?????? ??????? ?? proxy ???? ???? ??????????? ?????? ??? ?????. Clients ?? internet ??? ????? resources use ????? forward proxy ?? use ?????. Clients ????? ?? requests, backend servers ???? ?? ???????? ??? distribute ????? servers ????? reverse proxy ?? use ?????.

??? ???? ???? Nginx ?? ????.

1. Enhanced performance : ???? ??? resources ????????? ????? concurrent connection ?? request ????????? handle ????? ???????. High traffic websites ??? ?????.

2. Load balancing : ??? ????? ???? topic ????. ????? ?????? ?????? incoming network traffic ?? servers ????? ???? distribute ??? ??. ????? resources utilization ?? optimize ??????, response time ?? ??? ????? ???? throughput ?? ???? ????? ???????.

Nginx ????? ???? round robin algorithm ??,? IP hash, least connection ??? techniques use ?????.

3. Caching : Nginx ????? static ?? dynamic content cache ????? ???????. ?? cached content ?? in memory ??? disk ??? ??? ??????? ?? ???? ??????? store ????? ???????. ??????? response time ?? ??? ?????? ??????.

4. Security features : ???? Nginx use ???? rate limiting, access control, content filtering ??? ????? ?????? ???????. ????? malicious traffic ?? ?????????? cross-site scripting , SQL injection ??? attacks ?????????? ???? Nginx use ???? ???????. Rate limiting ????? ???? DDoS attack ????????? ???????.

5. HTTP/2 Support : Nginx ?? HTTP/2 ??? built-in support ???? ???????. ????? ???? server push, request multiplexing, header compression ??? HTTP/2 ?? ????? ????? features use ????? ???????. ???????? page load time ?? ??? ???? user experience ?? improve ????? ???????.

6. Ease of congratulation : Nginx ?? ????? modular architecture ?? ???? ???? server ??? rebuild ?????? ????? ???? functionality add or remove ????? ???????.

??? ????? ???? Airbnb, Dropbox, Netflix, Pinterest ??? services ?????? performance ???? ?????? ?? Nginx use ?????. Apache HTTP server ?? Nginx ?????? ????? use ??? alternative ????. ?? ????? ????? ????? ?????. ????? ??? post ?????? ????????.