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XCCDF
Guide to the Secure Configuration of SUSE Linux Enterprise 15
Services
Obsolete Services
NIS
NIS
An XCCDF Group - A logical subset of the XCCDF Benchmark
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NIS
2 Rules
The Network Information Service (NIS), also known as 'Yellow Pages' (YP), and its successor NIS+ have been made obsolete by Kerberos, LDAP, and other modern centralized authentication services. NIS should not be used because it suffers from security problems inherent in its design, such as inadequate protection of important authentication information.
Remove NIS Client
Unknown Severity
The Network Information Service (NIS), formerly known as Yellow Pages, is a client-server directory service protocol used to distribute system configuration files. The NIS client (
ypbind
) was used to bind a system to an NIS server and receive the distributed configuration files.
Uninstall ypserv Package
High Severity
The
ypserv
package can be removed with the following command:
$ sudo zypper remove ypserv