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Why are Hyphens in Headers Replaced with Underscores by Oracle HTTP Server When Passed to CGI (Doc ID 2458215.1)

Last updated on AUGUST 20, 2020

Applies to:

Oracle HTTP Server - Version 11.1.1.9.0 to 12.2.1.3.0 [Release Oracle11g to 12c]
Information in this document applies to any platform.

Goal

Explain why HTTP Request Headers containing hyphen are replaced with underscore when displayed as CGI environment variables. 

For example when Oracle HTTP Server (OHS) receives Header TEST-ORACLE the header is changed to TEST_ORACLE.  This can be observed by displaying headers using CGI/Perl script.  Following is printenv script saved in <DocumentRoot>/cgi-bin directory


Displaying headers using URL http://<HOSTNAME.DOMAIN>:<PORT>/cgi-bin/printenv shows following result.
 ...
 HTTP  TEST_ORACLE="SomeValue"
 ...

Solution

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In this Document
Goal
Solution
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