From Apache Server 2.4 UNIX Site Security Technical Implementation Guide
Part of SRG-APP-000175-WSR-000095
Associated with: CCI-000185
A certificate's certification path is the path from the end entity certificate to a trusted root certification authority (CA). Certification path validation is necessary for a relying party to make an informed decision regarding acceptance of an end entity certificate. Certification path validation includes checks such as certificate issuer trust, time validity, and revocation status for each certificate in the certification path. Revocation status information for CA and subject certificates in a certification path is commonly provided via certificate revocation lists (CRLs) or online certificate status protocol (OCSP) responses.
In a command line, run "httpd -M | grep -i ssl_module". If the "ssl_module" is not enabled, this is a finding. Determine the location of the "HTTPD_ROOT" directory and the "ssl.conf" file: # httpd -V | egrep -i 'httpd_root|server_config_file' -D HTTPD_ROOT="/etc/httpd" Review <'HTTPD_ROOT'>/conf.d/ssl.conf Verify "SSLVerifyClient" is set to "require": SSLVerifyClient require Verify "SSLVerifyDepth" is set to a number greater than "0": SSLVerifyDepth 1 If "SSLVerifyClient" is not set to "require" or "SSLVerifyDepth" is not set to a number greater than "0", this is a finding.
Determine the location of the "HTTPD_ROOT" directory and the "ssl.conf" file: # httpd -V | egrep -i 'httpd_root|server_config_file' -D HTTPD_ROOT="/etc/httpd" Edit <'HTTPD_ROOT'>/conf.d/ssl.conf Set "SSLVerifyClient" to "require". Set "SSLVerifyDepth" to "1". SSLVerifyDepth 1 For more information: https://httpd.apache.org/docs/current/mod/ssl_module.html
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globally unique URIs for each document and item. Copy the
link location and paste anywhere you need to talk
unambiguously about these things.
You can obtain data about documents and items in other
formats. Simply provide an HTTP header Accept:
text/turtle or
Accept: application/rdf+xml.
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