Source Address Validation

01/24/2023
by   Maciej Korczynski, et al.
0

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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