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Table of Contents

• ↓ Posts
• ↓ Classifying all of Claude’s network connections
• ↓ Security implications of local fetch for your network
• ↓ Decrypting HTTPS with a MITM proxy
• ↓ Isolating Claude’s traffic with network namespaces
• ↓ What you’ll learn
• ↓ Top Alternatives to patrickmccanna.net

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"[part 5] Classifying all of Claude’s network connections & Analyzing traffic by category"

"So far we’ve examined individual connections. We looked at a single WebFetch and a single decrypted API call. To build a complete picture of Claude’s network behavior, we need to exercise all of its network tools in a single session and categorize every connection it makes. This produces a full traffic matrix: which destinations Claude contacts, what each connection carries, and whether each request originates from your machine or routes through Anthropic. That matrix is the basis for the security analysis that follows."

"We can pull specific get requests by parsing the mitm.txt file generated by the mitm-capture.sh script"

"The command above will provide you with the results of a direct GET request to the target URL from the local machine. The request includes the Claude-User User-Agent. The response body contains the full page content."

Key Topics & Focus Areas for patrickmccanna.net:

Posts

Classifying all of Claude’s network connections

Security implications of local fetch for your network

Decrypting HTTPS with a MITM proxy

Isolating Claude’s traffic with network namespaces

What you’ll learn