how do I filter dns traffic
Asked on 2024-07-30
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To filter DNS traffic, you can use various observability tools and techniques discussed in the WWDC sessions. Here are some relevant points and sessions that might help you:
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Observability in Swift on Server:
- The session "Explore the Swift on Server ecosystem" discusses adding observability to your services, which includes logging, metrics, and tracing. These tools can help you understand and filter specific types of traffic, such as DNS traffic.
- You can use SwiftLog for structured logging, which allows you to add metadata to log messages, making it easier to filter and troubleshoot specific types of traffic.
- Explore the Swift on Server ecosystem (10:53)
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Using CloudKit Console:
- The session "Use CloudKit Console to monitor and optimize database activity" covers how to use telemetry and logging to monitor your app's interactions with CloudKit. While this is specific to CloudKit, the principles of using logs and telemetry to filter and analyze traffic can be applied to DNS traffic as well.
- You can customize table views and add specific columns to compare values between events, which can help in filtering DNS traffic.
- Use CloudKit Console to monitor and optimize database activity (07:13)
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Effective Debugging in LLDB:
- The session "Run, Break, Inspect: Explore effective debugging in LLDB" discusses techniques for handling high-firing breakpoints and using conditions to filter interesting cases from the noise. This can be useful if you are debugging DNS traffic and need to filter specific conditions.
- Run, Break, Inspect: Explore effective debugging in LLDB (16:05)
Relevant Sessions
- Explore the Swift on Server ecosystem
- Use CloudKit Console to monitor and optimize database activity
- Run, Break, Inspect: Explore effective debugging in LLDB
If you need more specific details or have another question, feel free to ask!

Use CloudKit Console to monitor and optimize database activity
Discover the new observability features in CloudKit Console. Learn how to use Telemetry and Logging to troubleshoot and optimize your app. Find out how to set up alerts to monitor your application’s behavior and notifications to stay on top of the container events that are most important to you. To get the most out of this session, we recommend being familiar with CloudKit containers.

Explore the Swift on Server ecosystem
Swift is a great language for writing your server applications, and powers critical services across Apple’s cloud products. We’ll explore tooling, delve into the Swift server package ecosystem, and demonstrate how to interact with databases and add observability to applications.

Xcode essentials
Edit, debug, commit, repeat. Explore the suite of tools in Xcode that help you iterate quickly when developing apps. Discover tips and tricks to help optimize and boost your development workflow.
