![]() ![]() Presence of this community as an advisory qualification to drop anyģ. The semantics of this community allow a network to interpret the This document defines the use of a new well-known BGP transitive RFC 7999 BLACKHOLE Community October 2016 2. They may also appear in lower case or mixed case asĮnglish words, without normative meaning. ![]() "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" are toīe interpreted as described in only when they appear in all The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The codepoint for common blackholing mechanisms is unified and O The number of support requests from customers about how to triggerīlackholing in a particular neighboring network will be reduced as Implementation and operational guides do not cover many variations O Implementing and monitoring blackholing becomes easier when Having such a well-known BGP community for blackholing also further Therefore, a well-knownīGP community is defined for operational ease. Having several different mechanisms to trigger blackholing inĭifferent networks makes it an unnecessarily complex, error-prone,Īnd cumbersome task for network operators. Out-of-band BGP sessions with a special BGP speaker. Mechanisms to trigger blackholing, including but not limited to pre-ĭefined blackhole next-hop IP addresses, specific BGP communities, or A network that wants to triggerīlackholing needs to understand the triggering mechanism adopted by Impact of such a scenario on legitimate traffic, networks adopted a Links used to connect to adjacent networks. ĭDoS attacks targeting a certain IP address may cause congestion of Mechanisms such as those described in and. Networks have offered blackholing with BGP using various In order to dampen the effects of these DDoS attacks, IP ![]() Network infrastructures have been increasingly hampered by DDoSĪttacks. RFC 7999 BLACKHOLE Community October 2016 1. IP Prefix Announcements with BLACKHOLE Community Attached. The Trust Legal Provisions and are provided without warranty asġ. Include Simplified BSD License text as described in Section 4.e of Code Components extracted from this document must Please review these documentsĬarefully, as they describe your rights and restrictions with respect This document is subject to BCP 78 and the IETF Trust's Legal RFC 7999 BLACKHOLE Community October 2016Ĭopyright (c) 2016 IETF Trust and the persons identified as the Information about the current status of this document, any errata,Īnd how to provide feedback on it may be obtained at Not all documentsĪpproved by the IESG are a candidate for any level of Internet Internet Engineering Steering Group (IESG). Received public review and has been approved for publication by the It represents the consensus of the IETF community. This document is a product of the Internet Engineering Task Force This document is not an Internet Standards Track specification it is Neighboring network should discard any traffic destined towards the "BLACKHOLE" allows an origin Autonomous System (AS) to specify that a This well-known advisory transitive BGP community named Protocol (BGP) community for destination-based blackholing in IP This document describes the use of a well-known Border Gateway Internet Engineering Task Force (IETF) T. ![]()
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