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25.2.2.4.6. The mod_perl Module

The configuration for mod_perl has been moved from httpd.conf into the file /etc/httpd/conf.d/perl.conf. For this file to be loaded, and hence for mod_perl to work, the statement Include conf.d/*.conf must be included in httpd.conf as described in Section 25.2.2.1.3, “Dynamic Shared Object (DSO) Support”.
Occurrences of Apache:: in httpd.conf must be replaced with ModPerl::. Additionally, the manner in which handlers are registered has been changed.
This is a sample Apache HTTP Server 1.3 mod_perl configuration:
<Directory /var/www/perl>
  SetHandler perl-script
  PerlHandler Apache::Registry
  Options +ExecCGI
</Directory>
This is the equivalent mod_perl for Apache HTTP Server 2.0:
<Directory /var/www/perl>
  SetHandler perl-script
  PerlResponseHandler ModPerl::Registry
  Options +ExecCGI
</Directory>
Most modules for mod_perl 1.x should work without modification with mod_perl 2.x. XS modules require recompilation and may require minor Makefile modifications.