TOSS must not be performing packet forwarding unless the system is a router.
An XCCDF Rule
Description
<VulnDiscussion>Routing protocol daemons are typically used on routers to exchange network topology information with other routers. If this software is used when not required, system network information may be unnecessarily transmitted across the network.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-252941r991589_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
Configure TOSS to not allow packet forwarding, unless the system is a router with the following commands:
$ sudo sysctl -w net.ipv4.ip_forward=0
$ sudo sysctl -w net.ipv6.conf.all.forwarding=0