The purpose of this project is to create SCAP content for various platforms -- Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Fedora, and others. "SCAP content" refers to documents in the XCCDF, OVAL and Source DataStream formats. These documents can be presented in different forms and by different organizations to meet their security automation and technical implementation needs.
This project is an attempt to allow multiple organizations to efficiently develop such content by avoiding redundancy, which is possible by taking advantage of features of the SCAP standards. First, SCAP content is easily transformed programmatically. XCCDF also supports selection of subsets of content through a "profile" and granular adjustment of settings through a "refine-value."
The goal of this project to enable the creation of multiple security baselines from a single set of high-quality SCAP content.
The SSG homepage is https://fedorahosted.org/scap-security-guide/
The preferred method of installation is via the package manager of your
distribution. On RHEL and Fedora you can use:
yum install scap-security-guide.
If SCAP Security Guide is not packaged in your distribution or if the
version that is packaged is too old, you need to build the content yourself
and install it via make install. Please see the BUILD.md
document for more info.
We assume you have installed SCAP Security Guide system-wide into a standard location as instructed in the previous section.
There are several ways to consume SCAP Security Guide content, we will only go through a few of them here.
The oscap tool is a low-level command line interface that comes from
the OpenSCAP project. It can be used to scan the local machine.
# oscap xccdf eval --profile xccdf_org.ssgproject.content_profile_usgcb-rhel6-server --results-arf arf.xml --report report.html /usr/share/xml/scap/ssg/content/ssg-rhel6-ds.xml
After evaluation, the arf.xml file will contain all results in a reusable
Result DataStream format, report.html will contain a human readable
report that can be opened in a browser.
Replace the profile with other profile of your choice, you can display all possible choices using:
# oscap info /usr/share/xml/scap/ssg/content/ssg-rhel6-ds.xml
The SCAP Workbench is a graphical user interface for SCAP evaluation and customization. It is suitable for scanning a single machine, either local or remote (via SSH). New versions of SCAP Workbench have SSG integration and will automatically offer it when the application is started.
Please see the User Manual for more info.
oscap-ssh comes bundled with OpenSCAP 1.2.3 and later. It allows scanning
a remote machine via SSH with an interface resembling the oscap tool.
The following command evaluates machine with IP 192.168.1.123 with content
stored on local machine. Keep in mind that oscap has to be installed on the
remote machine but the SSG content doesn't need to be.
# oscap-ssh [email protected] 22 xccdf eval --profile xccdf_org.ssgproject.content_profile_usgcb-rhel6-server --results-arf arf.xml --report report.html /usr/share/xml/scap/ssg/content/ssg-rhel6-ds.xml
The SSG mailing list can be found at https://lists.fedorahosted.org/mailman/listinfo/scap-security-guide.
If you encounter issues with OpenSCAP or SCAP Workbench, use https://www.redhat.com/mailman/listinfo/open-scap-list
You can also join the #openscap IRC channel on chat.freenode.net.
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