title: Blocking Source Address Spoofing
---
pub_date: 2020-10-23
---
author: ungleich
---
twitter_handle: ungleich
---
_hidden: yes
---
_discoverable: no
---
abstract:
Let's not let the wrong packets in.
---
body:

## TL;DR

Effective 2020-10-23 we drop source address spoofed packets in Data
Center Light.

## Introduction

We have received a very helpful hint from a group of researchers that
spoofed packets from our own