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pivotal-stemcell-xccdf.xml
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<?xml version="1.0" encoding="UTF-8"?>
<Benchmark xmlns="http://checklists.nist.gov/xccdf/1.1"
xmlns:cdf="http://checklists.nist.gov/xccdf/1.1" xmlns:cpe="http://cpe.mitre.org/dictionary/2.0"
xmlns:cpel="http://cpe.mitre.org/language/2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:dsig="http://w3.org/2000/09/xmldsig#" xmlns:xhtml="http://www.w3.org/1999/xhtml"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" id="CF-Ubuntu-stemcell"
xml:lang="en-US"
xsi:schemaLocation="http://checklists.nist.gov/xccdf/1.1 http://nvd.nist.gov/schema/xccdf-1.1.4.xsd http://cpe.mitre.org/dictionary/2.0 http://cpe.mitre.org/files/cpe-dictionary_2.1.xsd"
style="SCAP_1.1" resolved="false">
<!-- Benchmark Information -->
<status date="2016-12-22">draft</status>
<title override="0">Pivotal Security Engineering: Guidance for securing Cloud Foundry Ubuntu stemcells</title>
<description override="0">This guide has been created to assist deployers in effectively securing Cloud Foundry stemcells. </description>
<notice id="terms_of_use" xml:lang="en-US"> Do not attempt to implement
any of the settings in this guide without first testing them in a
non-operational environment. Pivotal assumes no responsibility
whatsoever for its use by other parties, and makes no guarantees,
expressed or implied, about its quality, reliability, or any other
characteristic.
</notice>
<front-matter xml:lang="en-US" override="0">TODO::Insert something here</front-matter>
<rear-matter xml:lang="en-US" override="0">
<xhtml:strong>Trademark Information</xhtml:strong>
<xhtml:br />
<xhtml:br />
Pivotal trademarks statement goes here, as appropriate.
<xhtml:br />
<xhtml:br />
<xhtml:br />
All other names are registered trademarks or trademarks of their respective companies.
</rear-matter>
<reference href="TODO::INSERT"></reference>
<!-- TODO: fix the following elements prior to release -->
<!-- <platform idref="cpe:/o:canonical:ubuntu:14::stemcell"/> -->
<version>0.0.0.1</version>
<metadata>
<dc:publisher xmlns="http://purl.org/dc/elements/1.1/">Pivotal Software</dc:publisher>
<dc:creator>PCF Security Engineering</dc:creator>
<dc:contributor>John Field</dc:contributor>
<dc:source>https://github.com/pivotal-cf-experimental/benchmarks
</dc:source>
</metadata>
<model system="urn:xccdf:scoring:default" />
<model system="urn:xccdf:scoring:flat" />
<!-- ===================================================================================================== -->
<!-- ========================= Cloud Foundry Compliance Profiles ========================================= -->
<!-- ===================================================================================================== -->
<!-- -->
<!-- These profiles outline the specific guidance defined by the Cloud Foundry Community. -->
<!-- Each defines the set of XCCDF rules, and the values to be used when determining compliance. -->
<!-- We can create profiles for FISMA as well as commercial standards such as PCI DSS or HIPAA. -->
<Profile id="pci" abstract="false" prohibitChanges="false">
<title xml:lang="en-US" override="0">Pivotal Security Baseline v0.0.0.1</title>
<description xml:lang="en-US" override="0">This profile represents draft guidance that is a POC implementation.</description>
<select idref="ubuntu-stemcell-rule-2.5.1.2.a" selected="true" />
<select idref="ubuntu-stemcell-rule-2.5.1.2.b" selected="true" />
<select idref="ubuntu-stemcell-rule-2.5.1.2.c" selected="true" />
<select idref="ubuntu-stemcell-rule-2.5.1.2.d" selected="true" />
<select idref="ubuntu-stemcell-rule-2.5.1.2.e" selected="true" />
<select idref="ubuntu-stemcell-rule-2.5.1.2.f" selected="true" />
<select idref="ubuntu-stemcell-rule-2.5.1.2.g" selected="true" />
<select idref="ubuntu-stemcell-rule-2.5.1.2.h" selected="true" />
<select idref="ubuntu-stemcell-rule-2.5.1.2.i" selected="true" />
<select idref="ubuntu-stemcell-rule-2.5.1.2.j" selected="true" />
<select idref="ubuntu-stemcell-rule-2.5.1.2.k" selected="true" />
<select idref="ubuntu-stemcell-rule-2.5.1.2.l" selected="true" />
<!-- Refine Values -->
<refine-value idref="ubuntu-stemcell-var-2.5.1.2.a" selector="disabled" />
<!-- net.ipv4.conf.all.accept_source_route -->
<refine-value idref="ubuntu-stemcell-var-2.5.1.2.b" selector="disabled" />
<!-- net.ipv4.conf.all.accept_redirectse -->
<refine-value idref="ubuntu-stemcell-var-2.5.1.2.c" selector="disabled" />
<!-- net.ipv4.conf.all.secure_redirects -->
<refine-value idref="ubuntu-stemcell-var-2.5.1.2.d" selector="enabled" /> <!-- We expect this one to fail! -->
<!-- net.ipv4.conf.all.log_martians -->
<refine-value idref="ubuntu-stemcell-var-2.5.1.2.e" selector="disabled" />
<!-- net.ipv4.conf.default.accept_source_route -->
<refine-value idref="ubuntu-stemcell-var-2.5.1.2.f" selector="disabled" />
<!-- net.ipv4.conf.default.accept_redirects -->
<refine-value idref="ubuntu-stemcell-var-2.5.1.2.g" selector="disabled" />
<!-- net.ipv4.conf.default.secure_redirects -->
<refine-value idref="ubuntu-stemcell-var-2.5.1.2.h" selector="enabled" />
<!-- net.ipv4.icmp_echo_ignore_broadcast -->
<refine-value idref="ubuntu-stemcell-var-2.5.1.2.i" selector="enabled" />
<!-- net.ipv4.icmp_ignore_bogus_error_messages -->
<refine-value idref="ubuntu-stemcell-var-2.5.1.2.j" selector="enabled" />
<!-- net.ipv4.tcp_syncookie -->
<refine-value idref="ubuntu-stemcell-var-2.5.1.2.k" selector="enabled" />
<!-- net.ipv4.conf.all.rp_filter -->
<refine-value idref="ubuntu-stemcell-var-2.5.1.2.l" selector="enabled" />
<!-- net.ipv4.conf.default.rp_filter -->
</Profile>
<!-- ==================================================================================================== -->
<!-- ======================================== SECURITY GUIDANCE ========================================= -->
<!-- ==================================================================================================== -->
<!-- -->
<!-- The following groups represent the collection of guidance for this document. For -->
<!-- specific recommendations regarding which rules to enable and which values to use, please refer to -->
<!-- the XCCDF profiles above. -->
<!-- P.S. Don't you love the super official looking banner? Makes XML look almost like COBOL :-) -->
<!-- This seems to be the preferred style for these security automation artifacts. -->
<Group id="ubuntu-stemcell-group-2" hidden="false"
prohibitChanges="false" abstract="false" selected="true" weight="1.0">
<title xml:lang="en-US" override="0">Network Configuration Stuff
</title>
<description override="0">TODO::INSERT</description>
<Group id="ubuntu-stemcell-group-2.5" hidden="false"
prohibitChanges="false" abstract="false" selected="true" weight="1.0">
<title xml:lang="en-US" override="0">Network Configuration and Firewalls</title>
<description xml:lang="en-US" override="0">
Network security settings for CF stemcells.
</description>
<Group id="ubuntu-stemcell-group-2.5.1" hidden="false"
prohibitChanges="false" abstract="false" selected="true" weight="1.0">
<title xml:lang="en-US" override="0">Ubuntu kernel parameters that affect network security</title>
<description xml:lang="en-US" override="0">
The sysctl utility is usually used to set a number of parameters which affect the operation of the Linux kernel.
In the case of BOSH these are stored in a supplementary configuration file.
</description>
<Group id="ubuntu-stemcell-group-2.5.1.2" hidden="false"
prohibitChanges="false" abstract="false" selected="true" weight="1.0">
<title xml:lang="en-US" override="0">Network Parameters for Hosts and Routers</title>
<description xml:lang="en-US" override="0">
The file /etc/sysctl.d/60-bosh-sysctl.conf should contain
the following lines:
<xhtml:br />
<xhtml:br />
net.ipv4.conf.all.accept_source_route = 0
<xhtml:br />
net.ipv4.conf.all.accept_redirects = 0
<xhtml:br />
net.ipv4.conf.all.secure_redirects = 0
<xhtml:br />
net.ipv4.conf.all.log_martians = 1
<xhtml:br />
net.ipv4.conf.default.accept_source_route = 0
<xhtml:br />
net.ipv4.conf.default.accept_redirects = 0
<xhtml:br />
net.ipv4.conf.default.secure_redirects = 0
<xhtml:br />
net.ipv4.icmp_echo_ignore_broadcasts = 1
<xhtml:br />
net.ipv4.icmp_ignore_bogus_error_messages = 1
<xhtml:br />
net.ipv4.tcp_syncookies = 1
<xhtml:br />
net.ipv4.conf.all.rp_filter = 1
<xhtml:br />
net.ipv4.conf.default.rp_filter = 1
<xhtml:br />
<xhtml:br />
These options help to ensure the Ubuntu stemcell is protected against certain
types of IPv4 protocol attacks.
</description>
<Value id="ubuntu-stemcell-var-2.5.1.2.a" type="string"
operator="equals" prohibitChanges="false" abstract="false" hidden="false"
interactive="0">
<title override="0">net.ipv4.conf.all.accept_source_route</title>
<description xml:lang="en-US" override="0">Trackers could be using source-routed packets to generate traffic that seems to
be intra-net, but actually was created outside and has been redirected.
</description>
<value selector="">0</value>
<value selector="enabled">1</value>
<value selector="disabled">0</value>
</Value>
<Value id="ubuntu-stemcell-var-2.5.1.2.b" type="string"
operator="equals" prohibitChanges="false" abstract="false" hidden="false"
interactive="0">
<title override="0">net.ipv4.conf.all.accept_redirects</title>
<description xml:lang="en-US" override="0">Disable ICMP Redirect Acceptance?
</description>
<value selector="">0</value>
<value selector="enabled">1</value>
<value selector="disabled">0</value>
</Value>
<Value id="ubuntu-stemcell-var-2.5.1.2.c" type="string"
operator="equals" prohibitChanges="false" abstract="false" hidden="false"
interactive="0">
<title override="0">net.ipv4.conf.all.secure_redirects</title>
<description xml:lang="en-US" override="0">Enable to prevent hijacking of routing path by
only allowing redirects from gateways known in routing table.
</description>
<value selector="">1</value>
<value selector="enabled">1</value>
<value selector="disabled">0</value>
</Value>
<Value id="ubuntu-stemcell-var-2.5.1.2.d" type="string"
operator="equals" prohibitChanges="false" abstract="false" hidden="false"
interactive="0">
<title override="0">net.ipv4.conf.all.log_martians</title>
<description xml:lang="en-US" override="0">Disable so you don't Log Spoofed Packets, Source Routed Packets, Redirect Packets
</description>
<value selector="">0</value>
<value selector="enabled">1</value>
<value selector="disabled">0</value>
</Value>
<Value id="ubuntu-stemcell-var-2.5.1.2.e" type="string"
operator="equals" prohibitChanges="false" abstract="false" hidden="false"
interactive="0">
<title override="0">net.ipv4.conf.default.accept_source_route
</title>
<description xml:lang="en-US" override="0">Disable IP source routing?</description>
<value selector="">0</value>
<value selector="enabled">1</value>
<value selector="disabled">0</value>
</Value>
<Value id="ubuntu-stemcell-var-2.5.1.2.f" type="string"
operator="equals" prohibitChanges="false" abstract="false" hidden="false"
interactive="0">
<title override="0">net.ipv4.conf.default.accept_redirects
</title>
<description xml:lang="en-US" override="0">Disable ICMP Redirect Acceptance?
</description>
<value selector="">0</value>
<value selector="enabled">1</value>
<value selector="disabled">0</value>
</Value>
<Value id="ubuntu-stemcell-var-2.5.1.2.g" type="string"
operator="equals" prohibitChanges="false" abstract="false" hidden="false"
interactive="0">
<title override="0">net.ipv4.conf.default.secure_redirects
</title>
<description xml:lang="en-US" override="0">Log packets with impossible addresses to kernel log?
</description>
<value selector="">1</value>
<value selector="enabled">1</value>
<value selector="disabled">0</value>
</Value>
<Value id="ubuntu-stemcell-var-2.5.1.2.h" type="string"
operator="equals" prohibitChanges="false" abstract="false" hidden="false"
interactive="0">
<title override="0">net.ipv4.icmp_echo_ignore_broadcast</title>
<description xml:lang="en-US" override="0">Ignore all ICMP ECHO and TIMESTAMP requests sent to it via broadcast/multicast
</description>
<value selector="">1</value>
<value selector="enabled">1</value>
<value selector="disabled">0</value>
</Value>
<Value id="ubuntu-stemcell-var-2.5.1.2.i" type="string"
operator="equals" prohibitChanges="false" abstract="false" hidden="false"
interactive="0">
<title override="0">net.ipv4.icmp_ignore_bogus_error_messages
</title>
<description xml:lang="en-US" override="0">Enable to prevent certain types of attacks
</description>
<value selector="">1</value>
<value selector="enabled">1</value>
<value selector="disabled">0</value>
</Value>
<Value id="ubuntu-stemcell-var-2.5.1.2.j" type="string"
operator="equals" prohibitChanges="false" abstract="false" hidden="false"
interactive="0">
<title override="0">net.ipv4.tcp_syncookie</title>
<description xml:lang="en-US" override="0">Enable to turn on TCP SYN Cookie Protection
</description>
<value selector="">1</value>
<value selector="enabled">1</value>
<value selector="disabled">0</value>
</Value>
<Value id="ubuntu-stemcell-var-2.5.1.2.k" type="string"
operator="equals" prohibitChanges="false" abstract="false" hidden="false"
interactive="0">
<title override="0">net.ipv4.conf.all.rp_filter</title>
<description xml:lang="en-US" override="0">Enable to enforce sanity checking, also called ingress filtering or egress
filtering. The point is to drop a packet if the source and destination IP addresses in the IP header do not make
sense when considered in light of the physical interface on which it arrived.
</description>
<value selector="">1</value>
<value selector="enabled">1</value>
<value selector="disabled">0</value>
</Value>
<Value id="ubuntu-stemcell-var-2.5.1.2.l" type="string"
operator="equals" prohibitChanges="false" abstract="false" hidden="false"
interactive="0">
<title override="0">net.ipv4.conf.default.rp_filter</title>
<description xml:lang="en-US" override="0">Enables source route verification
</description>
<value selector="">1</value>
<value selector="enabled">1</value>
<value selector="disabled">0</value>
</Value>
<Rule id="ubuntu-stemcell-rule-2.5.1.2.a" selected="false"
weight="10.0" prohibitChanges="false" abstract="false" hidden="false"
role="full" severity="unknown">
<status date="2010-07-01">accepted</status>
<version update="1" />
<title override="0">CCE-4236-6:Set
net.ipv4.conf.all.accept_source_route for Hosts and Routers
</title>
<description override="0">
Accepting source routed packets should be: <sub idref="ubuntu-stemcell-var-2.5.1.2.a" />
for all interfaces as appropriate.
</description>
<ident system="http://cce.mitre.org">CCE-4236-6</ident>
<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5"
selector="">
<check-export value-id="ubuntu-stemcell-var-2.5.1.2.a"
export-name="oval:io.pivotal.bosh.stemcell:var:20115" />
<check-content-ref href="pivotal-stemcell-oval.xml"
name="oval:io.pivotal.bosh.stemcell:def:20115" />
</check>
</Rule>
<Rule id="ubuntu-stemcell-rule-2.5.1.2.b" selected="false"
weight="10.0" prohibitChanges="false" abstract="false" hidden="false"
role="full" severity="unknown">
<status date="2010-07-01">accepted</status>
<version update="1" />
<title override="0">CCE-4217-6:Set
net.ipv4.conf.all.accept_redirects for Hosts and Routers</title>
<description override="0">
Accepting ICMP redirects should be: <sub idref="ubuntu-stemcell-var-2.5.1.2.b" />
for all interfaces as appropriate.
</description>
<ident system="http://cce.mitre.org">CCE-4217-6</ident>
<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5"
selector="">
<check-export value-id="ubuntu-stemcell-var-2.5.1.2.b"
export-name="oval:io.pivotal.bosh.stemcell:var:20116" />
<check-content-ref href="pivotal-stemcell-oval.xml"
name="oval:io.pivotal.bosh.stemcell:def:20116" />
</check>
</Rule>
<Rule id="ubuntu-stemcell-rule-2.5.1.2.c" selected="false"
weight="10.0" prohibitChanges="false" abstract="false" hidden="false"
role="full" severity="unknown">
<status date="2010-07-01">accepted</status>
<version update="1" />
<title override="0">CCE-3472-8:Set
net.ipv4.conf.all.secure_redirects for Hosts and Routers</title>
<description override="0">
Accepting "secure" ICMP redirects (those from gateways listed in the default gateways list) should be:
<sub idref="ubuntu-stemcell-var-2.5.1.2.c" /> for all interfaces as appropriate.
</description>
<ident system="http://cce.mitre.org">CCE-3472-8</ident>
<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5"
selector="">
<check-export value-id="ubuntu-stemcell-var-2.5.1.2.c"
export-name="oval:io.pivotal.bosh.stemcell:var:20117" />
<check-content-ref href="pivotal-stemcell-oval.xml"
name="oval:io.pivotal.bosh.stemcell:def:20117" />
</check>
</Rule>
<Rule id="ubuntu-stemcell-rule-2.5.1.2.d" selected="false"
weight="10.0" prohibitChanges="false" abstract="false" hidden="false"
role="full" severity="unknown">
<status date="2010-07-01">accepted</status>
<version update="1" />
<title override="0">CCE-4320-8:Set
net.ipv4.conf.all.log_martians for Hosts and Routers</title>
<description override="0">
Logging of "martian" packets (those with impossible addresses) should be:
<sub idref="ubuntu-stemcell-var-2.5.1.2.d" /> for all interfaces as appropriate.
</description>
<ident system="http://cce.mitre.org">CCE-4320-8</ident>
<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5"
selector="">
<check-export value-id="ubuntu-stemcell-var-2.5.1.2.d"
export-name="oval:io.pivotal.bosh.stemcell:var:20118" />
<check-content-ref href="pivotal-stemcell-oval.xml"
name="oval:io.pivotal.bosh.stemcell:def:20118" />
</check>
</Rule>
<Rule id="ubuntu-stemcell-rule-2.5.1.2.e" selected="false"
weight="10.0" prohibitChanges="false" abstract="false" hidden="false"
role="full" severity="unknown">
<status date="2010-07-01">accepted</status>
<version update="1" />
<title override="0">CCE-4091-5:Set
net.ipv4.conf.default.accept_source_route for Hosts and
Routers
</title>
<description override="0">
The default setting for accepting source routed packets should be:
<sub idref="ubuntu-stemcell-var-2.5.1.2.e" /> for all interfaces as appropriate.
</description>
<ident system="http://cce.mitre.org">CCE-4091-5</ident>
<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5"
selector="">
<check-export value-id="ubuntu-stemcell-var-2.5.1.2.e"
export-name="oval:io.pivotal.bosh.stemcell:var:20119" />
<check-content-ref href="pivotal-stemcell-oval.xml"
name="oval:io.pivotal.bosh.stemcell:def:20119" />
</check>
</Rule>
<Rule id="ubuntu-stemcell-rule-2.5.1.2.f" selected="false"
weight="10.0" prohibitChanges="false" abstract="false" hidden="false"
role="full" severity="unknown">
<status date="2010-07-01">accepted</status>
<version update="1" />
<title override="0">CCE-4186-3:Set
net.ipv4.conf.default.accept_redirects for Hosts and
Routers
</title>
<description override="0">
The default setting for accepting ICMP redirects should be:
<sub idref="ubuntu-stemcell-var-2.5.1.2.f" />
for all interfaces as appropriate.
</description>
<ident system="http://cce.mitre.org">CCE-4186-3</ident>
<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5"
selector="">
<check-export value-id="ubuntu-stemcell-var-2.5.1.2.f"
export-name="oval:io.pivotal.bosh.stemcell:var:20120" />
<check-content-ref href="pivotal-stemcell-oval.xml"
name="oval:io.pivotal.bosh.stemcell:def:20120" />
</check>
</Rule>
<Rule id="ubuntu-stemcell-rule-2.5.1.2.g" selected="false"
weight="10.0" prohibitChanges="false" abstract="false" hidden="false"
role="full" severity="unknown">
<status date="2010-07-01">accepted</status>
<version update="1" />
<title override="0">CCE-3339-9:Set
net.ipv4.conf.default.secure_redirects for Hosts and
Routers
</title>
<description override="0">
The default setting for accepting "secure" ICMP redirects (those from gateways listed in the default gateways list) should be:
<sub idref="ubuntu-stemcell-var-2.5.1.2.g" />
for all interfaces as appropriate.
</description>
<ident system="http://cce.mitre.org">CCE-3339-9</ident>
<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5"
selector="">
<check-export value-id="ubuntu-stemcell-var-2.5.1.2.g"
export-name="oval:io.pivotal.bosh.stemcell:var:20121" />
<check-content-ref href="pivotal-stemcell-oval.xml"
name="oval:io.pivotal.bosh.stemcell:def:20121" />
</check>
</Rule>
<Rule id="ubuntu-stemcell-rule-2.5.1.2.h" selected="false"
weight="10.0" prohibitChanges="false" abstract="false" hidden="false"
role="full" severity="unknown">
<status date="2010-07-01">accepted</status>
<version update="1" />
<title override="0">CCE-3644-2:Set
net.ipv4.icmp_echo_ignore_broadcasts for Hosts and
Routers
</title>
<description override="0">
Ignoring ICMP echo requests (pings) sent to broadcast / multicast addresses should be:
<sub idref="ubuntu-stemcell-var-2.5.1.2.h" /> for all interfaces as appropriate.
</description>
<ident system="http://cce.mitre.org">CCE-3644-2</ident>
<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5"
selector="">
<check-export value-id="ubuntu-stemcell-var-2.5.1.2.h"
export-name="oval:io.pivotal.bosh.stemcell:var:20122" />
<check-content-ref href="pivotal-stemcell-oval.xml"
name="oval:io.pivotal.bosh.stemcell:def:20122" />
</check>
</Rule>
<Rule id="ubuntu-stemcell-rule-2.5.1.2.i" selected="false"
weight="10.0" prohibitChanges="false" abstract="false" hidden="false"
role="full" severity="unknown">
<status date="2010-07-01">accepted</status>
<version update="1" />
<title override="0">CCE-4133-5:Set
net.ipv4.icmp_ignore_bogus_error_messages for Hosts and
Routers
</title>
<description override="0">
Ignoring bogus ICMP responses to broadcasts should be:
<sub idref="ubuntu-stemcell-var-2.5.1.2.i" />
for all interfaces as appropriate.
</description>
<ident system="http://cce.mitre.org">CCE-4133-5</ident>
<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5"
selector="">
<check-export value-id="ubuntu-stemcell-var-2.5.1.2.i"
export-name="oval:io.pivotal.bosh.stemcell:var:20123" />
<check-content-ref href="pivotal-stemcell-oval.xml"
name="oval:io.pivotal.bosh.stemcell:def:20123" />
</check>
</Rule>
<Rule id="ubuntu-stemcell-rule-2.5.1.2.j" selected="false"
weight="10.0" prohibitChanges="false" abstract="false" hidden="false"
role="full" severity="unknown">
<status date="2010-07-01">accepted</status>
<version update="1" />
<title override="0">CCE-4265-5:Set net.ipv4.tcp_syncookies for
Hosts and Routers</title>
<description override="0">
Sending TCP syncookies should be:
<sub idref="ubuntu-stemcell-var-2.5.1.2.j" />
for all interfaces as appropriate.
</description>
<ident system="http://cce.mitre.org">CCE-4265-5</ident>
<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5"
selector="">
<check-export value-id="ubuntu-stemcell-var-2.5.1.2.j"
export-name="oval:io.pivotal.bosh.stemcell:var:20124" />
<check-content-ref href="pivotal-stemcell-oval.xml"
name="oval:io.pivotal.bosh.stemcell:def:20124" />
</check>
</Rule>
<Rule id="ubuntu-stemcell-rule-2.5.1.2.k" selected="false"
weight="10.0" prohibitChanges="false" abstract="false" hidden="false"
role="full" severity="unknown">
<status date="2010-07-01">accepted</status>
<version update="1" />
<title override="0">CCE-4080-8:Set net.ipv4.conf.all.rp_filter
for Hosts and Routers</title>
<description override="0">
Performing source validation by reverse path should be:
<sub idref="ubuntu-stemcell-var-2.5.1.2.k" />
for all interfaces as appropriate.
</description>
<ident system="http://cce.mitre.org">CCE-4080-8</ident>
<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5"
selector="">
<check-export value-id="ubuntu-stemcell-var-2.5.1.2.k"
export-name="oval:io.pivotal.bosh.stemcell:var:20125" />
<check-content-ref href="pivotal-stemcell-oval.xml"
name="oval:io.pivotal.bosh.stemcell:def:20125" />
</check>
</Rule>
<Rule id="ubuntu-stemcell-rule-2.5.1.2.l" selected="false"
weight="10.0" prohibitChanges="false" abstract="false" hidden="false"
role="full" severity="unknown">
<status date="2010-07-01">accepted</status>
<version update="1" />
<title override="0">CCE-3840-6:Set
net.ipv4.conf.default.rp_filter for Hosts and Routers</title>
<description override="0">
The default setting for performing source validation by reverse path should be:
<sub idref="ubuntu-stemcell-var-2.5.1.2.l" />
for all interfaces as appropriate.
</description>
<ident system="http://cce.mitre.org">CCE-3840-6</ident>
<check system="http://oval.mitre.org/XMLSchema/oval-definitions-5"
selector="">
<check-export value-id="ubuntu-stemcell-var-2.5.1.2.l"
export-name="oval:io.pivotal.bosh.stemcell:var:20126" />
<check-content-ref href="pivotal-stemcell-oval.xml"
name="oval:io.pivotal.bosh.stemcell:def:20126" />
</check>
</Rule>
</Group>
</Group>
</Group>
</Group>
</Benchmark>