[BUG] Claude Code native installation not working with Private Access

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

When I try to run the claude code with native installation claude install it keeps getting blocked by network security tools

<img width="2860" height="1268" alt="Image" src="https://github.com/user-attachments/assets/429ab1ab-881a-4ee4-8312-a3e441bf307f" />

What Should Happen?

Claude code should successfully start and be able to correctly run,

uninstalling claude code and clearing the local files via

rm -f ~/.local/bin/claude
rm -rf ~/.local/share/claude

and then installing again using npm install -g @anthropic-ai/claude-code fixes this

Error Messages/Logs

Unable to connect to Anthropic services
Failed to connect to platform. claude.com: SELF_SIGNED_CERT_IN_CHAIN

Steps to Reproduce

1. Install Claude code via npm npm install -g @anthropic-ai/claude-code
2. now run claude install
3. Make sure your system is connected to any security tool like netskope/zscaler
4. Claude should not be able to connect to Anthropic services

Claude Model

Sonnet (default)

Is this a regression?

Yes, this worked in a previous version

Last Working Version

NA

Claude Code Version

2.1.25 (Claude Code)

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

iTerm2

Additional Information

_No response_