Skip to content
ATO Pathways
Log In
Overview
Search
Catalogs
SCAP
OSCAL
Catalogs
Profiles
Documents
References
Knowledge Base
Platform Documentation
Compliance Dictionary
Platform Changelog
About
Catalogs
XCCDF
Cisco IOS XE Router RTR Security Technical Implementation Guide
SRG-NET-000205-RTR-000015
The Cisco perimeter router must be configured to block all packets with any IP options.
The Cisco perimeter router must be configured to block all packets with any IP options.
An XCCDF Rule
Details
Profiles
Prose
The Cisco perimeter router must be configured to block all packets with any IP options.
Medium Severity
<VulnDiscussion>Packets with IP options are not fast switched and henceforth must be punted to the router processor. Hackers who initiate denial of service (DoS) attacks on routers commonly send large streams of packets with IP options. Dropping the packets with IP options reduces the load of IP options packets on the router. The end result is a reduction in the effects of the DoS attack on the router and on downstream routers.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>