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?

Node.js python php
Mar.09,2021
  1. you can crawl
    2. through strace or other debugging methods through stdin/stdout and environment variables.
  2. crawl through UNIX Socket, TCP, tcpdump or similar tools

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b35e85-4055b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b35e85-4055b.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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