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XCCDF
Network Infrastructure Policy Security Technical Implementation Guide
NET2000
NET2000
An XCCDF Group - A logical subset of the XCCDF Benchmark
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NET2000
1 Rule
<GroupDescription></GroupDescription>
Multi-Protocol Labeled Switching (MPLS) protocols deployed to build Label-Switch Path (LSP) tunnels must authenticate all messages with a hash function using the most secured cryptographic algorithm available.
Medium Severity
<VulnDiscussion>Spoofed TCP segments could be introduced into the connection streams for LDP sessions used to build LSPs. By configuring strict authentication between LSR peers, LDP TCP sessions can be restricted and the integrity of LSPs can be guarded using the TCP MD5 Signature Option. The LSR ignores LDP Hellos from any LSR for which a password has not been configured. This ensures that the LSR establishes LDP TCP connections only with LSRs for which the shared secret has been configured. RSVP messages are used to control resource reservations for MPLS TE tunnels inside the MPLS core. The RSVP message authentication permits neighbors to use a secure hash to digitally sign all RSVP signaling messages, thus allowing the receiver of an RSVP message to verify the sender. By protecting against corruption and spoofing of RSVP messages, the integrity of the LSPs for bandwidth provisioning, path setup, and path teardown is maintained.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>