From Canonical Ubuntu 16.04 LTS Security Technical Implementation Guide
Part of SRG-OS-000095-GPOS-00049
Associated with: CCI-000381
It is detrimental for Ubuntu operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often overlooked and therefore may remain unsecured. They increase the risk to the platform by providing additional attack vectors.
Verify that the rsh-server package is not installed on the Ubuntu operating system. Check to see if the rsh-server package is installed with the following command: # sudo apt list rsh-server If the rsh-server package is installed, this is a finding.
Configure the Ubuntu operating system to disable non-essential capabilities by removing the rsh-server package from the system with the following command: # sudo apt-get remove rsh-server
Lavender hyperlinks in small type off to the right (of CSS
class id
, if you view the page source) point to
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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