If you need to log network traffic through your AWS solution, explore flow logs. Flow logs allow you to monitor network traffic and, with CloudWatch, receive alerts related to traffic conditions. In this video, learn about the implementation and use of flow logs.
- The final concept we want to cover in this chapter … on various virtual network services is flow logs. … Interestingly enough, we've had the concept of flow logs … in our physical network structures within our environments … for a long time. … You can do this with Cisco infrastructures … and others as well. … So you could capture logging information about the traffic … that's flowing through your network. … It's been called net flow in our localized environments. … But here in AWS, it's called a flow log. … The concept is to capture the information about the traffic … that's moving in your environment. … You're not capturing the actual traffic. … That would build up to way too much data … in very short order. … So instead, we're logging the source of the traffic, … the destination of the traffic, and some of the information … about protocols in the traffic. … This allows you to go back and look at those flow logs … to see what kind of activities have been taking place … in your environment. …
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