OHS must have the mpm_prefork_module directive disabled so as not conflict with the worker directive used to limit the number of allowed simultaneous requests.

From Oracle HTTP Server 12.1.3 Security Technical Implementation Guide

Part of SRG-APP-000001-WSR-000001

Associated with: CCI-000054

SV-78615r1_rule OHS must have the mpm_prefork_module directive disabled so as not conflict with the worker directive used to limit the number of allowed simultaneous requests.

Vulnerability discussion

Web server management includes the ability to control the number of users and user sessions that utilize a web server. Limiting the number of allowed users and sessions per user is helpful in limiting risks related to several types of Denial of Service attacks. Although there is some latitude concerning the settings themselves, the settings should follow DoD-recommended values, but the settings should be configurable to allow for future DoD direction. While the DoD will specify recommended values, the values can be adjusted to accommodate the operational requirement of a given system.

Check content

1. Open the $DOMAIN_HOME/config/fmwconfig/components/OHS//httpd.conf file with an editor. 2. Search for the "" directive at the OHS server configuration scope. 3. If this directive is found and not commented out, this is a finding.

Fix text

1. Open $DOMAIN_HOME/config/fmwconfig/components/OHS//httpd.conf with an editor. 2. Search for the "" directive at the OHS server configuration scope. 3. Comment out the "" directive and any directives that it contains.

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