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XCCDF
Guide to the Secure Configuration of Ubuntu 16.04
Services
Deprecated services
Deprecated services
An XCCDF Group - A logical subset of the XCCDF Benchmark
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Profiles
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Deprecated services
5 Rules
Some deprecated software services impact the overall system security due to their behavior (leak of confidentiality in network exchange, usage as uncontrolled communication channel, risk associated with the service due to its old age, etc.
Uninstall the inet-based telnet server
High Severity
The inet-based telnet daemon should be uninstalled.
Uninstall the nis package
Low Severity
The support for Yellowpages should not be installed unless it is required.
Uninstall the ntpdate package
Low Severity
ntpdate is a historical ntp synchronization client for unixes. It sould be uninstalled.
Uninstall the ssl compliant telnet server
High Severity
The
telnet
daemon, even with ssl support, should be uninstalled.
Uninstall the telnet server
High Severity
The telnet daemon should be uninstalled.