VPC Flow Logs Flashcards
What is the basic function of VPC Flow Logs?
To log network traffic in and out of network interfaces in your VPC, aiding in monitoring and troubleshooting network activity.
Example sentence: VPC Flow Logs help track all incoming and outgoing traffic within your VPC.
Why are VPC Flow Logs important?
Security Monitoring: Helps identify suspicious activities.
Network Troubleshooting: Assists in diagnosing network connectivity issues.
Example sentence: VPC Flow Logs play a crucial role in maintaining network security and stability.
What type of data do VPC Flow Logs capture?
Records traffic details including source and destination IPs, traffic direction, port numbers, and the traffic’s accept or reject status.
Example sentence: VPC Flow Logs store information about the flow of data packets, allowing for detailed analysis of network traffic.
How can you set up VPC Flow Logs?
Can be enabled for a VPC, subnet, or individual network interface and can be directed to either Amazon CloudWatch Logs or Amazon S3.
Example sentence: VPC Flow Logs can be configured at different levels within your VPC to ensure comprehensive monitoring and logging.
What are some considerations when using VPC Flow Logs?
No Payloads: Only metadata is logged, not the content of the packets.
Cost Management: Be aware of storage and processing costs.
Data Delay: Logs may have a brief delay before becoming available for analysis.
Example sentence: When implementing VPC Flow Logs, it’s important to keep in mind the limitations and potential costs associated with logging network traffic.
Can you use Amazon Athena to query VPC Flow Logs?
Yes, Athena can query VPC Flow Logs stored in Amazon S3 using SQL to help analyze network traffic for monitoring, compliance, and security analysis.
Example sentence: Amazon Athena provides a powerful tool for querying and analyzing VPC Flow Logs data stored in Amazon S3.
