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• Incorrect Origin AS announcements- Source and announce prefix with incorrect origin AS- Source and announce a more specific prefix belonging tosomeone else• Incorrect Path announcements- Hijack a BGP path for a prefix by inserting local AS• Ends up hijacking someone else’s traffic by getting itrouted to/via you• Capture, sniff, redirect, manipulate traffic as you wish• Most often a configuration mistakeSource: NANOG 46: Tom Daly et al.© 2012 <strong>Cisco</strong> and/or its affiliates. All rights reserved. 42
20Source: NANOG 46: Tom Daly et al.© 2012 <strong>Cisco</strong> and/or its affiliates. All rights reserved. 43
Page 1 and 2: Routing SecurityAn Holistic Overvie
Page 3 and 4: • Objectives of this talk:• Pre
Page 5 and 6: © 2012 Cisco and/or its affiliates
Page 7 and 8: Biggest Bandwidth• Largest monito
Page 9 and 10: ThreatsAttack on device control pla
Page 13 and 14: Utilizing routing technology in the
Page 15 and 16: • Implementing blackholing requir
Page 17 and 18: Active/Active FirewallPre-2010 Oper
Page 19 and 20: Sink Hole RoutingIPS/IDS Enhancemen
Page 21 and 22: Hardening the infrastructureOlder S
Page 23 and 24: CoPP Enhancements for Routing• At
Page 25 and 26: • Main function is to forwards fo
Page 27 and 28: • LPTS has HW policers on line ca
Page 29 and 30: Enhanced Router Authentication / Co
Page 31 and 32: Securing Inter-AS VPN Confidentiali
Page 33 and 34: Distribution Automation of Security
Page 37 and 38: Malformed BGP UpdatesInvalidAttribu
Page 39 and 40: • Comes into play after attribute
Page 41: © 2012 Cisco and/or its affiliates
Page 45 and 46: BeforeAfter© 2012 Cisco and/or its
Page 47 and 48: • http://www.networkworld.com/new
Page 49 and 50: • The goal of the RPKI is to cryp
Page 51 and 52: • Each AS publishes a cryptograph
Page 53 and 54: CA ToolsetPublicationpoint (can beh
Page 55 and 56: EBGP updateRouterCheck and markorig
Page 57 and 58: The “One Behind” Attack• AS65
Page 59 and 60: The “Shorter Prefix” Problem•
Page 61 and 62: Future• Start Here• AS65000 adv
Page 63 and 64: Advertisement vs. Path Validation
Page 65 and 66: • What are Bogons?A bogon is a bo
Page 67 and 68: • Multi-Instance / Multi-AS BGP

Presentation - Cisco Knowledge Network

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