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Source Address Validation

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arxiv 2301.09952 v1 pith:E7NXLSO3 submitted 2023-01-24 cs.NI

classification cs.NI
keywords networksourceaddressappliedcomingcustomeredgefiltering
verification ladder T0 review T1 audit T2 compute T3 formal

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Source address validation (SAV) is a standard formalized in RFC 2827 aimed at discarding packets with spoofed source IP addresses. The absence of SAV has been known as a root cause of reflection distributed denial-of-service (DDoS) attacks. Outbound SAV (oSAV): filtering applied at the network edge to traffic coming from inside the customer network to the outside. Inbound SAV (iSAV): filtering applied at the network edge to traffic coming from the outside to the customer network.

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