Note:
Source Address Validation (SAV) is one important way to mitigate source address spoofing attacks in the data plane. As defined in MANRS Action 2 (https://manrs.org/netops/network-operator-actions/): Prevent traffic with spoofed source IP addresses – Filtering: A network operator should implement a system that enables source address validation for their own infrastructure and end users, and for any Stub Customer Networks. This should include anti-spoofing filtering to prevent packets with an incorrect source IP address from entering or leaving the network.
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