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This draft is a work item of the Operational Security Capabilities for IP Network Infrastructure Working Group of the IETF.
Title : Service Provider Infrastructure Security
Author(s) : D. Lewis, et al.
Filename : draft-ietf-opsec-infrastructure-security-01.txt
Pages : 17
Date : 2007-4-10
This RFC describes best current practices for implementing Service
Provider network infrastructure protection for network elements.
This RFC complements and extends RFC 2267 and RFC 3704. RFC 2267
provides guidelines for filtering traffic on the ingress to service
provider networks. RFC 3704 expands the recommendations described in
RFC 2267 to address operational filtering guidelines for single and
multi-homed environments. The focus of those RFCs is on filtering
packets on ingress to a network, regardless of destination, if those
packets have a spoofed source address, or if the source address fall
within "reserved" address space. Deployment of RFCs 2267 and 3704
has limited the effects of denial of service attacks by dropping
ingress packets with spoofed source addresses, which in turn offers
other benefits by ensuring that packets coming into a network
originate from validly allocated and consistent sources. This
document focuses solely on traffic destined to elements of the the
network infrastructure itself. This document presents techniques
that, together with network edge ingress filtering and RFC 2267 and
RFC 3704, provides a defense in depth approach for infrastructure
protection. This document does not present recommendations for
protocol validation (i.e. "sanity checking") nor does it address
guidelines for general security configuration.
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