Communication between webserver and CGI programs

webserver parses and forwards the accepted HTTP request packet to the CGI program. What is the basis for inter-process communication? Webserver and CGI programs may be on the same server or on different servers. Is there any way I can capture their traffic?

Mar.09,2021

  1. you can crawl
  2. through strace or other debugging methods through stdin/stdout and environment variables.
  3. crawl through UNIX Socket, TCP, tcpdump or similar tools
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