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CCE
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CCE-90905-1

Platform: cpe:/o:centos:centos:7, cpe:/o:redhat:enterprise_linux:7Date: (C)2017-06-29   (M)2023-07-04



To set the runtime status of the 'net.ipv4.conf.default.rp_filter' kernel parameter, run the following command:


Parameter:

[yes/no]


Technical Mechanism:

Enabling reverse path filtering drops packets with source addresses that should not have been able to be received on the interface they were received on. It should not be used on systems which are routers for complicated networks, but is helpful for end hosts and routers serving small networks.

CCSS Severity:CCSS Metrics:
CCSS Score : 7.3Attack Vector: NETWORK
Exploit Score: 3.9Attack Complexity: LOW
Impact Score: 3.4Privileges Required: NONE
Severity: HIGHUser Interaction: NONE
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LScope: UNCHANGED
 Confidentiality: LOW
 Integrity: LOW
 Availability: LOW
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:31285
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:30562


OVAL    2
oval:org.secpod.oval:def:31285
oval:org.secpod.oval:def:30562
XCCDF    2
xccdf_org.secpod_benchmark_general_CENTOS_7
xccdf_org.secpod_benchmark_general_RHEL_7

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